64804636 has 12 divisors (see below), whose sum is σ = 122131912. Its totient is φ = 29909808.

The previous prime is 64804609. The next prime is 64804643. The reversal of 64804636 is 63640846.

It is a junction number, because it is equal to n+sod(n) for n = 64804595 and 64804604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623070 + ... + 623173.

Almost surely, 2^64804636 is an apocalyptic number.

It is an amenable number.

64804636 is a deficient number, since it is larger than the sum of its proper divisors (57327276).

64804636 is a wasteful number, since it uses less digits than its factorization.

64804636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246260 (or 1246258 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 64804636 is about 8050.1326697142. The cubic root of 64804636 is about 401.6693484973.

The spelling of 64804636 in words is "sixty-four million, eight hundred four thousand, six hundred thirty-six".