72933907 has 2 divisors, whose sum is σ = 72933908. Its totient is φ = 72933906.

The previous prime is 72933899. The next prime is 72933937. The reversal of 72933907 is 70933927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72933907 - 2³ = 72933899 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72933907.

It is not a weakly prime, because it can be changed into another prime (72933937) 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, 36466953 + 36466954.

It is an arithmetic number, because the mean of its divisors is an integer number (36466954).

Almost surely, 2^72933907 is an apocalyptic number.

72933907 is a deficient number, since it is larger than the sum of its proper divisors (1).

72933907 is an equidigital number, since it uses as much as digits as its factorization.

72933907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 72933907 is about 8540.1350691895. The cubic root of 72933907 is about 417.8077513867.

The spelling of 72933907 in words is "seventy-two million, nine hundred thirty-three thousand, nine hundred seven".