64281372 has 24 divisors (see below), whose sum is σ = 150166800. Its totient is φ = 21401856.

The previous prime is 64281367. The next prime is 64281397. The reversal of 64281372 is 27318246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9454 + ... + 14762.

It is an arithmetic number, because the mean of its divisors is an integer number (6256950).

Almost surely, 2^64281372 is an apocalyptic number.

It is an amenable number.

64281372 is an abundant number, since it is smaller than the sum of its proper divisors (85885428).

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

64281372 is a wasteful number, since it uses less digits than its factorization.

64281372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325 (or 6323 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 64281372 is about 8017.5664637095. The cubic root of 64281372 is about 400.5853347071.

The spelling of 64281372 in words is "sixty-four million, two hundred eighty-one thousand, three hundred seventy-two".