64124564 has 24 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 27445536.

The previous prime is 64124531. The next prime is 64124569. The reversal of 64124564 is 46542146.

It is a super-2 number, since 2×64124564² = 8223919416380192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64124564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64124569) 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, 38354 + ... + 39990.

It is an arithmetic number, because the mean of its divisors is an integer number (5350800).

Almost surely, 2^64124564 is an apocalyptic number.

It is an amenable number.

64124564 is an abundant number, since it is smaller than the sum of its proper divisors (64294636).

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

64124564 is a wasteful number, since it uses less digits than its factorization.

64124564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 64124564 is about 8007.7814655496. The cubic root of 64124564 is about 400.2593401537.

The spelling of 64124564 in words is "sixty-four million, one hundred twenty-four thousand, five hundred sixty-four".