64769056 has 24 divisors (see below), whose sum is σ = 139107024. Its totient is φ = 29440320.

The previous prime is 64769039. The next prime is 64769057. The reversal of 64769056 is 65096746.

It is a super-2 number, since 2×64769056² = 8390061230262272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64769057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91650 + ... + 92353.

It is an arithmetic number, because the mean of its divisors is an integer number (5796126).

Almost surely, 2^64769056 is an apocalyptic number.

It is an amenable number.

64769056 is an abundant number, since it is smaller than the sum of its proper divisors (74337968).

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

64769056 is a wasteful number, since it uses less digits than its factorization.

64769056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184024 (or 184016 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 64769056 is about 8047.9224648353. The cubic root of 64769056 is about 401.5958248906.

It can be divided in two parts, 647690 and 56, that added together give a palindrome (647746).

The spelling of 64769056 in words is "sixty-four million, seven hundred sixty-nine thousand, fifty-six".