64113372 has 72 divisors (see below), whose sum is σ = 173264000. Its totient is φ = 19929888.

The previous prime is 64113349. The next prime is 64113373. The reversal of 64113372 is 27331146.

64113372 is a `hidden beast` number, since 641 + 13 + 3 + 7 + 2 = 666.

It is a super-2 number, since 2×64113372² = 8221048938420768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64113373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45129 + ... + 46527.

Almost surely, 2^64113372 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 64113372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86632000).

64113372 is an abundant number, since it is smaller than the sum of its proper divisors (109150628).

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

64113372 is a wasteful number, since it uses less digits than its factorization.

64113372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1490 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 64113372 is about 8007.0826147855. The cubic root of 64113372 is about 400.2360523375.

The spelling of 64113372 in words is "sixty-four million, one hundred thirteen thousand, three hundred seventy-two".