44742664 has 8 divisors (see below), whose sum is σ = 83892510. Its totient is φ = 22371328.

The previous prime is 44742631. The next prime is 44742671. The reversal of 44742664 is 46624744.

It can be written as a sum of positive squares in only one way, i.e., 36505764 + 8236900 = 6042^2 + 2870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2796409 + ... + 2796424.

Almost surely, 2^44742664 is an apocalyptic number.

It is an amenable number.

44742664 is a deficient number, since it is larger than the sum of its proper divisors (39149846).

44742664 is a wasteful number, since it uses less digits than its factorization.

44742664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592839 (or 5592835 counting only the distinct ones).

The product of its digits is 129024, while the sum is 37.

The square root of 44742664 is about 6688.9957392721. The cubic root of 44742664 is about 355.0100215382.

The spelling of 44742664 in words is "forty-four million, seven hundred forty-two thousand, six hundred sixty-four".