72933863 has 2 divisors, whose sum is σ = 72933864. Its totient is φ = 72933862.

The previous prime is 72933821. The next prime is 72933871. The reversal of 72933863 is 36833927.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72933863 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 72933863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72933803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36466931 + 36466932.

It is an arithmetic number, because the mean of its divisors is an integer number (36466932).

Almost surely, 2^72933863 is an apocalyptic number.

72933863 is a deficient number, since it is larger than the sum of its proper divisors (1).

72933863 is an equidigital number, since it uses as much as digits as its factorization.

72933863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 72933863 is about 8540.1324931174. The cubic root of 72933863 is about 417.8076673675.

The spelling of 72933863 in words is "seventy-two million, nine hundred thirty-three thousand, eight hundred sixty-three".