64604632 has 8 divisors (see below), whose sum is σ = 121133700. Its totient is φ = 32302312.

The previous prime is 64604623. The next prime is 64604647. The reversal of 64604632 is 23640646.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 64604594 and 64604603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037782 + ... + 4037797.

Almost surely, 2^64604632 is an apocalyptic number.

It is an amenable number.

64604632 is a deficient number, since it is larger than the sum of its proper divisors (56529068).

64604632 is a wasteful number, since it uses less digits than its factorization.

64604632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075585 (or 8075581 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 64604632 is about 8037.7006662353. The cubic root of 64604632 is about 401.2557038944.

The spelling of 64604632 in words is "sixty-four million, six hundred four thousand, six hundred thirty-two".