64812576 has 24 divisors (see below), whose sum is σ = 170133264. Its totient is φ = 21604160.

The previous prime is 64812571. The next prime is 64812581. The reversal of 64812576 is 67521846.

It is an interprime number because it is at equal distance from previous prime (64812571) and next prime (64812581).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (64812571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337470 + ... + 337661.

It is an arithmetic number, because the mean of its divisors is an integer number (7088886).

Almost surely, 2^64812576 is an apocalyptic number.

It is an amenable number.

64812576 is an abundant number, since it is smaller than the sum of its proper divisors (105320688).

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

64812576 is a wasteful number, since it uses less digits than its factorization.

64812576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675144 (or 675136 counting only the distinct ones).

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

The square root of 64812576 is about 8050.6258141836. The cubic root of 64812576 is about 401.6857522845.

The spelling of 64812576 in words is "sixty-four million, eight hundred twelve thousand, five hundred seventy-six".