64604628 has 60 divisors (see below), whose sum is σ = 184252992. Its totient is φ = 19576080.

The previous prime is 64604623. The next prime is 64604647. The reversal of 64604628 is 82640646.

It is a happy number.

64604628 is a `hidden beast` number, since 646 + 0 + 4 + 6 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 64604592 and 64604601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64604623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5500 + ... + 12627.

Almost surely, 2^64604628 is an apocalyptic number.

It is an amenable number.

64604628 is an abundant number, since it is smaller than the sum of its proper divisors (119648364).

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

64604628 is a wasteful number, since it uses less digits than its factorization.

64604628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18154 (or 18143 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 64604628 is about 8037.7004174080. The cubic root of 64604628 is about 401.2556956131.

The spelling of 64604628 in words is "sixty-four million, six hundred four thousand, six hundred twenty-eight".