72937967 has 2 divisors, whose sum is σ = 72937968. Its totient is φ = 72937966.

The previous prime is 72937957. The next prime is 72937999. The reversal of 72937967 is 76973927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72937967 - 2⁴ = 72937951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72937957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36468983 + 36468984.

It is an arithmetic number, because the mean of its divisors is an integer number (36468984).

Almost surely, 2^72937967 is an apocalyptic number.

72937967 is a deficient number, since it is larger than the sum of its proper divisors (1).

72937967 is an equidigital number, since it uses as much as digits as its factorization.

72937967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 50.

The square root of 72937967 is about 8540.3727670401. The cubic root of 72937967 is about 417.8155039217.

The spelling of 72937967 in words is "seventy-two million, nine hundred thirty-seven thousand, nine hundred sixty-seven".