64107996 has 12 divisors (see below), whose sum is σ = 149585352. Its totient is φ = 21369328.

The previous prime is 64107991. The next prime is 64107997. The reversal of 64107996 is 69970146.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×64107996² = 8219670302272032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64107991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2671155 + ... + 2671178.

It is an arithmetic number, because the mean of its divisors is an integer number (12465446).

Almost surely, 2^64107996 is an apocalyptic number.

It is an amenable number.

64107996 is an abundant number, since it is smaller than the sum of its proper divisors (85477356).

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

64107996 is a wasteful number, since it uses less digits than its factorization.

64107996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342340 (or 5342338 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 64107996 is about 8006.7469049546. The cubic root of 64107996 is about 400.2248652320.

The spelling of 64107996 in words is "sixty-four million, one hundred seven thousand, nine hundred ninety-six".