64442708 has 24 divisors (see below), whose sum is σ = 123249504. Its totient is φ = 29239200.

The previous prime is 64442683. The next prime is 64442717. The reversal of 64442708 is 80724446.

It is a super-2 number, since 2×64442708² = 8305725228746528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33698 + ... + 35558.

It is an arithmetic number, because the mean of its divisors is an integer number (5135396).

Almost surely, 2^64442708 is an apocalyptic number.

It is an amenable number.

64442708 is a deficient number, since it is larger than the sum of its proper divisors (58806796).

64442708 is a wasteful number, since it uses less digits than its factorization.

64442708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 64442708 is about 8027.6215655697. The cubic root of 64442708 is about 400.9201898367.

The spelling of 64442708 in words is "sixty-four million, four hundred forty-two thousand, seven hundred eight".