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67722964 = 2274322787
BaseRepresentation
bin1000000100101…
…01111011010100
311201102200102221
410002111323110
5114314113324
610415312124
71451431021
oct402257324
9151380387
1067722964
11352562a1
121a81b644
131105227a
148dcc548
155e2b0e4
hex4095ed4

67722964 has 12 divisors (see below), whose sum is σ = 118679904. Its totient is φ = 33814424.

The previous prime is 67722961. The next prime is 67722983. The reversal of 67722964 is 46922776.

It is a super-4 number, since 4×677229644 (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67722964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67722961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8422 + ... + 14365.

It is an arithmetic number, because the mean of its divisors is an integer number (9889992).

Almost surely, 267722964 is an apocalyptic number.

It is an amenable number.

67722964 is a deficient number, since it is larger than the sum of its proper divisors (50956940).

67722964 is a wasteful number, since it uses less digits than its factorization.

67722964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23534 (or 23532 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 67722964 is about 8229.3963326601. The cubic root of 67722964 is about 407.6104589714.

It can be divided in two parts, 67722 and 964, that added together give a palindrome (68686).

The spelling of 67722964 in words is "sixty-seven million, seven hundred twenty-two thousand, nine hundred sixty-four".

Divisors: 1 2 4 743 1486 2972 22787 45574 91148 16930741 33861482 67722964