72590535 has 12 divisors (see below), whose sum is σ = 125823672. Its totient is φ = 38714928.

The previous prime is 72590521. The next prime is 72590563. The reversal of 72590535 is 53509527.

72590535 is a `hidden beast` number, since 72 + 59 + 0 + 535 = 666.

It is not a de Polignac number, because 72590535 - 2¹⁶ = 72524999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72590535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806517 + ... + 806606.

It is an arithmetic number, because the mean of its divisors is an integer number (10485306).

Almost surely, 2^72590535 is an apocalyptic number.

72590535 is a deficient number, since it is larger than the sum of its proper divisors (53233137).

72590535 is a wasteful number, since it uses less digits than its factorization.

72590535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613134 (or 1613131 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 72590535 is about 8520.0079225315. The cubic root of 72590535 is about 417.1510416736.

The spelling of 72590535 in words is "seventy-two million, five hundred ninety thousand, five hundred thirty-five".