72036944 has 20 divisors (see below), whose sum is σ = 159510624. Its totient is φ = 30872928.

The previous prime is 72036941. The next prime is 72036971. The reversal of 72036944 is 44963027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72036941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321482 + ... + 321705.

Almost surely, 2^72036944 is an apocalyptic number.

It is an amenable number.

72036944 is an abundant number, since it is smaller than the sum of its proper divisors (87473680).

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

72036944 is a wasteful number, since it uses less digits than its factorization.

72036944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643202 (or 643196 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 72036944 is about 8487.4580411334. The cubic root of 72036944 is about 416.0879067186.

The spelling of 72036944 in words is "seventy-two million, thirty-six thousand, nine hundred forty-four".