69256864 has 24 divisors (see below), whose sum is σ = 142279200. Its totient is φ = 33122496.

The previous prime is 69256853. The next prime is 69256867. The reversal of 69256864 is 46865296.

It is a super-2 number, since 2×69256864² = 9593026422228992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (69256867) 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, 46314 + ... + 47785.

It is an arithmetic number, because the mean of its divisors is an integer number (5928300).

Almost surely, 2^69256864 is an apocalyptic number.

It is an amenable number.

69256864 is an abundant number, since it is smaller than the sum of its proper divisors (73022336).

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

69256864 is a wasteful number, since it uses less digits than its factorization.

69256864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94132 (or 94124 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 69256864 is about 8322.0708961171. The cubic root of 69256864 is about 410.6649214708.

The spelling of 69256864 in words is "sixty-nine million, two hundred fifty-six thousand, eight hundred sixty-four".