72700951 has 2 divisors, whose sum is σ = 72700952. Its totient is φ = 72700950.

The previous prime is 72700937. The next prime is 72700961. The reversal of 72700951 is 15900727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72700951 - 2²⁵ = 39146519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72700961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36350475 + 36350476.

It is an arithmetic number, because the mean of its divisors is an integer number (36350476).

Almost surely, 2^72700951 is an apocalyptic number.

72700951 is a deficient number, since it is larger than the sum of its proper divisors (1).

72700951 is an equidigital number, since it uses as much as digits as its factorization.

72700951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 72700951 is about 8526.4852665093. The cubic root of 72700951 is about 417.3624412058.

The spelling of 72700951 in words is "seventy-two million, seven hundred thousand, nine hundred fifty-one".