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67069716 = 22371276287
BaseRepresentation
bin1111111111011…
…0011100010100
311200012111100120
43333312130110
5114132212331
610353311540
71443040350
oct377663424
9150174316
1067069716
113494a51a
121a5655b0
1310b83b2c
148c9c460
155d4c796
hex3ff6714

67069716 has 48 divisors (see below), whose sum is σ = 180289536. Its totient is φ = 19008864.

The previous prime is 67069711. The next prime is 67069741. The reversal of 67069716 is 61796076.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67069711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7525 + ... + 13811.

It is an arithmetic number, because the mean of its divisors is an integer number (3756032).

Almost surely, 267069716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67069716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90144768).

67069716 is an abundant number, since it is smaller than the sum of its proper divisors (113219820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67069716 is a wasteful number, since it uses less digits than its factorization.

67069716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428 (or 6426 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 67069716 is about 8189.6102471363. The cubic root of 67069716 is about 406.2956342899.

The spelling of 67069716 in words is "sixty-seven million, sixty-nine thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 127 254 381 508 762 889 1524 1778 2667 3556 5334 6287 10668 12574 18861 25148 37722 44009 75444 88018 132027 176036 264054 528108 798449 1596898 2395347 3193796 4790694 5589143 9581388 11178286 16767429 22356572 33534858 67069716