64117932 has 60 divisors (see below), whose sum is σ = 161771736. Its totient is φ = 19753920.

The previous prime is 64117903. The next prime is 64117981. The reversal of 64117932 is 23971146.

It is a super-2 number, since 2×64117932² = 8222218407913248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64117893 and 64117902.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1563832 + ... + 1563872.

Almost surely, 2^64117932 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 64117932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80885868).

64117932 is an abundant number, since it is smaller than the sum of its proper divisors (97653804).

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

64117932 is an equidigital number, since it uses as much as digits as its factorization.

64117932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 65 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 64117932 is about 8007.3673576276. The cubic root of 64117932 is about 400.2455409100.

The spelling of 64117932 in words is "sixty-four million, one hundred seventeen thousand, nine hundred thirty-two".