64117924 has 18 divisors (see below), whose sum is σ = 121502850. Its totient is φ = 29592576.

The previous prime is 64117903. The next prime is 64117981. The reversal of 64117924 is 42971146.

64117924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4981824 + 59136100 = 2232^2 + 7690^2 .

It is a super-2 number, since 2×64117924² = 8222216356139552, 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 64117924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46749 + ... + 48100.

Almost surely, 2^64117924 is an apocalyptic number.

It is an amenable number.

64117924 is a deficient number, since it is larger than the sum of its proper divisors (57384926).

64117924 is a wasteful number, since it uses less digits than its factorization.

64117924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94879 (or 94864 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 64117924 is about 8007.3668580876. The cubic root of 64117924 is about 400.2455242638.

The spelling of 64117924 in words is "sixty-four million, one hundred seventeen thousand, nine hundred twenty-four".