44647668 has 36 divisors (see below), whose sum is σ = 121542148. Its totient is φ = 13737600.

The previous prime is 44647649. The next prime is 44647703. The reversal of 44647668 is 86674644.

It can be written as a sum of positive squares in 2 ways, for example, as 5560164 + 39087504 = 2358^2 + 6252^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47233 + ... + 48168.

Almost surely, 2^44647668 is an apocalyptic number.

It is an amenable number.

44647668 is an abundant number, since it is smaller than the sum of its proper divisors (76894480).

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

44647668 is a wasteful number, since it uses less digits than its factorization.

44647668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95424 (or 95419 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 44647668 is about 6681.8910496954. The cubic root of 44647668 is about 354.7585953843.

The spelling of 44647668 in words is "forty-four million, six hundred forty-seven thousand, six hundred sixty-eight".