64715268 has 24 divisors (see below), whose sum is σ = 151351200. Its totient is φ = 21521920.

The previous prime is 64715267. The next prime is 64715281. The reversal of 64715268 is 86251746.

It is not an unprimeable number, because it can be changed into a prime (64715267) 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, 618 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (6306300).

Almost surely, 2^64715268 is an apocalyptic number.

It is an amenable number.

64715268 is an abundant number, since it is smaller than the sum of its proper divisors (86635932).

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

64715268 is a wasteful number, since it uses less digits than its factorization.

64715268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12467 (or 12465 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 64715268 is about 8044.5800387590. The cubic root of 64715268 is about 401.4846245741.

The spelling of 64715268 in words is "sixty-four million, seven hundred fifteen thousand, two hundred sixty-eight".