67912256 has 14 divisors (see below), whose sum is σ = 134763510. Its totient is φ = 33956096.

The previous prime is 67912253. The next prime is 67912267. The reversal of 67912256 is 65221976.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67502656 + 409600 = 8216^2 + 640^2 .

It is a super-2 number, since 2×67912256² = 9224149030019072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67912253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530501 + ... + 530628.

It is an arithmetic number, because the mean of its divisors is an integer number (9625965).

Almost surely, 2^67912256 is an apocalyptic number.

It is an amenable number.

67912256 is a deficient number, since it is larger than the sum of its proper divisors (66851254).

67912256 is a wasteful number, since it uses less digits than its factorization.

67912256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061141 (or 1061131 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 67912256 is about 8240.8892724026. The cubic root of 67912256 is about 407.9898754376.

The spelling of 67912256 in words is "sixty-seven million, nine hundred twelve thousand, two hundred fifty-six".