72944984 has 32 divisors (see below), whose sum is σ = 161356800. Its totient is φ = 30252960.

The previous prime is 72944981. The next prime is 72945007. The reversal of 72944984 is 48944927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72944981) 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, 19274 + ... + 22745.

It is an arithmetic number, because the mean of its divisors is an integer number (5042400).

Almost surely, 2^72944984 is an apocalyptic number.

It is an amenable number.

72944984 is an abundant number, since it is smaller than the sum of its proper divisors (88411816).

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

72944984 is a wasteful number, since it uses less digits than its factorization.

72944984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42063 (or 42059 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 72944984 is about 8540.7835706099. The cubic root of 72944984 is about 417.8289021444.

The spelling of 72944984 in words is "seventy-two million, nine hundred forty-four thousand, nine hundred eighty-four".