72943304 has 32 divisors (see below), whose sum is σ = 163105920. Its totient is φ = 29901696.

The previous prime is 72943301. The next prime is 72943319. The reversal of 72943304 is 40334927.

It is a super-3 number, since 3×72943304³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72943301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27029 + ... + 29604.

It is an arithmetic number, because the mean of its divisors is an integer number (5097060).

Almost surely, 2^72943304 is an apocalyptic number.

It is an amenable number.

72943304 is an abundant number, since it is smaller than the sum of its proper divisors (90162616).

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

72943304 is a wasteful number, since it uses less digits than its factorization.

72943304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56669 (or 56665 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 72943304 is about 8540.6852184119. The cubic root of 72943304 is about 417.8256944395.

The spelling of 72943304 in words is "seventy-two million, nine hundred forty-three thousand, three hundred four".