64976832 has 42 divisors (see below), whose sum is σ = 186246008. Its totient is φ = 21658752.

The previous prime is 64976831. The next prime is 64976833. The reversal of 64976832 is 23867946.

It is an interprime number because it is at equal distance from previous prime (64976831) and next prime (64976833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64976831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55828 + ... + 56979.

Almost surely, 2^64976832 is an apocalyptic number.

It is an amenable number.

64976832 is an abundant number, since it is smaller than the sum of its proper divisors (121269176).

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

64976832 is a wasteful number, since it uses less digits than its factorization.

64976832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112825 (or 112812 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 64976832 is about 8060.8208018787. The cubic root of 64976832 is about 402.0247998363.

The spelling of 64976832 in words is "sixty-four million, nine hundred seventy-six thousand, eight hundred thirty-two".