64806832 has 20 divisors (see below), whose sum is σ = 128958016. Its totient is φ = 31527360.

The previous prime is 64806829. The next prime is 64806871. The reversal of 64806832 is 23860846.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 64806791 and 64806800.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54144 + ... + 55327.

Almost surely, 2^64806832 is an apocalyptic number.

It is an amenable number.

64806832 is a deficient number, since it is larger than the sum of its proper divisors (64151184).

64806832 is a wasteful number, since it uses less digits than its factorization.

64806832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109516 (or 109510 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 64806832 is about 8050.2690638264. The cubic root of 64806832 is about 401.6738854974.

The spelling of 64806832 in words is "sixty-four million, eight hundred six thousand, eight hundred thirty-two".