64572832 has 12 divisors (see below), whose sum is σ = 127127826. Its totient is φ = 32286400.

The previous prime is 64572797. The next prime is 64572847. The reversal of 64572832 is 23827546.

64572832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 11048976 = 7316^2 + 3324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64572791 and 64572800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008919 + ... + 1008982.

Almost surely, 2^64572832 is an apocalyptic number.

It is an amenable number.

64572832 is a deficient number, since it is larger than the sum of its proper divisors (62554994).

64572832 is a wasteful number, since it uses less digits than its factorization.

64572832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017911 (or 2017903 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 64572832 is about 8035.7222450754. The cubic root of 64572832 is about 401.1898570908.

The spelling of 64572832 in words is "sixty-four million, five hundred seventy-two thousand, eight hundred thirty-two".