72074972 has 12 divisors (see below), whose sum is σ = 126304416. Its totient is φ = 35988000.

The previous prime is 72074963. The next prime is 72074983. The reversal of 72074972 is 27947027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (10525368).

Almost surely, 2^72074972 is an apocalyptic number.

It is an amenable number.

72074972 is a deficient number, since it is larger than the sum of its proper divisors (54229444).

72074972 is a wasteful number, since it uses less digits than its factorization.

72074972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748 (or 24746 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 72074972 is about 8489.6979922728. The cubic root of 72074972 is about 416.1611108578.

The spelling of 72074972 in words is "seventy-two million, seventy-four thousand, nine hundred seventy-two".