72495967 has 2 divisors, whose sum is σ = 72495968. Its totient is φ = 72495966.

The previous prime is 72495947. The next prime is 72495971. The reversal of 72495967 is 76959427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72495967 - 2¹¹ = 72493919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72495967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72495947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36247983 + 36247984.

It is an arithmetic number, because the mean of its divisors is an integer number (36247984).

Almost surely, 2^72495967 is an apocalyptic number.

72495967 is a deficient number, since it is larger than the sum of its proper divisors (1).

72495967 is an equidigital number, since it uses as much as digits as its factorization.

72495967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 72495967 is about 8514.4563537551. The cubic root of 72495967 is about 416.9698138086.

The spelling of 72495967 in words is "seventy-two million, four hundred ninety-five thousand, nine hundred sixty-seven".