64274572 has 12 divisors (see below), whose sum is σ = 112574560. Its totient is φ = 32110416.

The previous prime is 64274557. The next prime is 64274629. The reversal of 64274572 is 27547246.

Its product of digits (94080) is a multiple of the sum of its prime factors (13440).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747 + ... + 11362.

Almost surely, 2^64274572 is an apocalyptic number.

It is an amenable number.

64274572 is a deficient number, since it is larger than the sum of its proper divisors (48299988).

64274572 is a wasteful number, since it uses less digits than its factorization.

64274572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440 (or 13438 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 64274572 is about 8017.1423836676. The cubic root of 64274572 is about 400.5712089127.

It can be divided in two parts, 64274 and 572, that added together give a palindrome (64846).

The spelling of 64274572 in words is "sixty-four million, two hundred seventy-four thousand, five hundred seventy-two".