64294872 has 32 divisors (see below), whose sum is σ = 164160000. Its totient is φ = 20975264.

The previous prime is 64294859. The next prime is 64294877. The reversal of 64294872 is 27849246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64294877) 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, 27372 + ... + 29627.

It is an arithmetic number, because the mean of its divisors is an integer number (5130000).

Almost surely, 2^64294872 is an apocalyptic number.

It is an amenable number.

64294872 is an abundant number, since it is smaller than the sum of its proper divisors (99865128).

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

64294872 is a wasteful number, since it uses less digits than its factorization.

64294872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57055 (or 57051 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 64294872 is about 8018.4083208577. The cubic root of 64294872 is about 400.6133756118.

The spelling of 64294872 in words is "sixty-four million, two hundred ninety-four thousand, eight hundred seventy-two".