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67070916 = 2237111741
BaseRepresentation
bin1111111111011…
…0101111000100
311200012120000000
43333312233010
5114132232131
610353321300
71443044013
oct377665704
9150176000
1067070916
1134950410
121a566230
1310b84543
148c9ca7a
155d4cce6
hex3ff6bc4

67070916 has 192 divisors, whose sum is σ = 208293120. Its totient is φ = 18662400.

The previous prime is 67070911. The next prime is 67070929. The reversal of 67070916 is 61907076.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67070911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1635856 + ... + 1635896.

It is an arithmetic number, because the mean of its divisors is an integer number (1084860).

Almost surely, 267070916 is an apocalyptic number.

67070916 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67070916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104146560).

67070916 is an abundant number, since it is smaller than the sum of its proper divisors (141222204).

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

67070916 is a wasteful number, since it uses less digits than its factorization.

67070916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 67070916 is about 8189.6835103684. The cubic root of 67070916 is about 406.2980573996.

The spelling of 67070916 in words is "sixty-seven million, seventy thousand, nine hundred sixteen".