44787972 has 24 divisors (see below), whose sum is σ = 105057792. Its totient is φ = 14850400.

The previous prime is 44787971. The next prime is 44787973. The reversal of 44787972 is 27978744.

It is an interprime number because it is at equal distance from previous prime (44787971) and next prime (44787973).

It is not an unprimeable number, because it can be changed into a prime (44787971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7479 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (4377408).

Almost surely, 2^44787972 is an apocalyptic number.

It is an amenable number.

44787972 is an abundant number, since it is smaller than the sum of its proper divisors (60269820).

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

44787972 is a wasteful number, since it uses less digits than its factorization.

44787972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19739 (or 19737 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 44787972 is about 6692.3816388488. The cubic root of 44787972 is about 355.1298130029.

The spelling of 44787972 in words is "forty-four million, seven hundred eighty-seven thousand, nine hundred seventy-two".