64474496 has 16 divisors (see below), whose sum is σ = 128445540. Its totient is φ = 32237184.

The previous prime is 64474477. The next prime is 64474541. The reversal of 64474496 is 69447446.

It is a tau number, because it is divible by the number of its divisors (16).

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, 251726 + ... + 251981.

Almost surely, 2^64474496 is an apocalyptic number.

It is an amenable number.

64474496 is a deficient number, since it is larger than the sum of its proper divisors (63971044).

64474496 is an equidigital number, since it uses as much as digits as its factorization.

64474496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503721 (or 503709 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 64474496 is about 8029.6012354288. The cubic root of 64474496 is about 400.9861003509.

The spelling of 64474496 in words is "sixty-four million, four hundred seventy-four thousand, four hundred ninety-six".