72658967 has 2 divisors, whose sum is σ = 72658968. Its totient is φ = 72658966.

The previous prime is 72658961. The next prime is 72658987. The reversal of 72658967 is 76985627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72658967 - 2⁴ = 72658951 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 (72658961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36329483 + 36329484.

It is an arithmetic number, because the mean of its divisors is an integer number (36329484).

Almost surely, 2^72658967 is an apocalyptic number.

72658967 is a deficient number, since it is larger than the sum of its proper divisors (1).

72658967 is an equidigital number, since it uses as much as digits as its factorization.

72658967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The square root of 72658967 is about 8524.0229352108. The cubic root of 72658967 is about 417.2820849949.

The spelling of 72658967 in words is "seventy-two million, six hundred fifty-eight thousand, nine hundred sixty-seven".