72370933 has 2 divisors, whose sum is σ = 72370934. Its totient is φ = 72370932.

The previous prime is 72370913. The next prime is 72370951. The reversal of 72370933 is 33907327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71520849 + 850084 = 8457^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 72370933 - 2⁵ = 72370901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72370913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36185466 + 36185467.

It is an arithmetic number, because the mean of its divisors is an integer number (36185467).

Almost surely, 2^72370933 is an apocalyptic number.

It is an amenable number.

72370933 is a deficient number, since it is larger than the sum of its proper divisors (1).

72370933 is an equidigital number, since it uses as much as digits as its factorization.

72370933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 72370933 is about 8507.1107316174. The cubic root of 72370933 is about 416.7299595229.

The spelling of 72370933 in words is "seventy-two million, three hundred seventy thousand, nine hundred thirty-three".