64477232 has 40 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 31310912.

The previous prime is 64477229. The next prime is 64477261. The reversal of 64477232 is 23277446.

It is a junction number, because it is equal to n+sod(n) for n = 64477192 and 64477201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134369 + ... + 134847.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^64477232 is an apocalyptic number.

It is an amenable number.

64477232 is a deficient number, since it is larger than the sum of its proper divisors (64085968).

64477232 is a wasteful number, since it uses less digits than its factorization.

64477232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 707 counting only the distinct ones).

The product of its digits is 56448, while the sum is 35.

The square root of 64477232 is about 8029.7716032276. The cubic root of 64477232 is about 400.9917722704.

The spelling of 64477232 in words is "sixty-four million, four hundred seventy-seven thousand, two hundred thirty-two".