72960971 has 2 divisors, whose sum is σ = 72960972. Its totient is φ = 72960970.

The previous prime is 72960959. The next prime is 72960997. The reversal of 72960971 is 17906927.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72960971 - 2⁶ = 72960907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72960271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36480485 + 36480486.

It is an arithmetic number, because the mean of its divisors is an integer number (36480486).

Almost surely, 2^72960971 is an apocalyptic number.

72960971 is a deficient number, since it is larger than the sum of its proper divisors (1).

72960971 is an equidigital number, since it uses as much as digits as its factorization.

72960971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 72960971 is about 8541.7194404874. The cubic root of 72960971 is about 417.8594244291.

The spelling of 72960971 in words is "seventy-two million, nine hundred sixty thousand, nine hundred seventy-one".