72241184 has 24 divisors (see below), whose sum is σ = 142849980. Its totient is φ = 35961856.

The previous prime is 72241163. The next prime is 72241199. The reversal of 72241184 is 48114227.

It can be written as a sum of positive squares in 2 ways, for example, as 71031184 + 1210000 = 8428^2 + 1100^2 .

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, 2612 + ... + 12300.

Almost surely, 2^72241184 is an apocalyptic number.

It is an amenable number.

72241184 is a deficient number, since it is larger than the sum of its proper divisors (70608796).

72241184 is a wasteful number, since it uses less digits than its factorization.

72241184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9932 (or 9924 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 72241184 is about 8499.4813959441. The cubic root of 72241184 is about 416.4807681303.

The spelling of 72241184 in words is "seventy-two million, two hundred forty-one thousand, one hundred eighty-four".