72983587 has 2 divisors, whose sum is σ = 72983588. Its totient is φ = 72983586.

The previous prime is 72983563. The next prime is 72983639. The reversal of 72983587 is 78538927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72983587 - 2¹⁵ = 72950819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72983587.

It is not a weakly prime, because it can be changed into another prime (72983387) 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, 36491793 + 36491794.

It is an arithmetic number, because the mean of its divisors is an integer number (36491794).

Almost surely, 2^72983587 is an apocalyptic number.

72983587 is a deficient number, since it is larger than the sum of its proper divisors (1).

72983587 is an equidigital number, since it uses as much as digits as its factorization.

72983587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 49.

The square root of 72983587 is about 8543.0431931484. The cubic root of 72983587 is about 417.9025951469.

The spelling of 72983587 in words is "seventy-two million, nine hundred eighty-three thousand, five hundred eighty-seven".