64012872 has 192 divisors, whose sum is σ = 208373760. Its totient is φ = 16030080.

The previous prime is 64012867. The next prime is 64012873. The reversal of 64012872 is 27821046.

It is not an unprimeable number, because it can be changed into a prime (64012873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955383 + ... + 955449.

It is an arithmetic number, because the mean of its divisors is an integer number (1085280).

Almost surely, 2^64012872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64012872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104186880).

64012872 is an abundant number, since it is smaller than the sum of its proper divisors (144360888).

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

64012872 is a wasteful number, since it uses less digits than its factorization.

64012872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 64012872 is about 8000.8044595528. The cubic root of 64012872 is about 400.0268148690.

The spelling of 64012872 in words is "sixty-four million, twelve thousand, eight hundred seventy-two".