64307472 has 40 divisors (see below), whose sum is σ = 166414944. Its totient is φ = 21398784.

The previous prime is 64307449. The next prime is 64307473. The reversal of 64307472 is 27470346.

It is not an unprimeable number, because it can be changed into a prime (64307473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53308 + ... + 54500.

Almost surely, 2^64307472 is an apocalyptic number.

It is an amenable number.

64307472 is an abundant number, since it is smaller than the sum of its proper divisors (102107472).

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

64307472 is a wasteful number, since it uses less digits than its factorization.

64307472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2321 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 64307472 is about 8019.1939744590. The cubic root of 64307472 is about 400.6395435817.

The spelling of 64307472 in words is "sixty-four million, three hundred seven thousand, four hundred seventy-two".