72689358 has 32 divisors (see below), whose sum is σ = 171509760. Its totient is φ = 20098080.

The previous prime is 72689333. The next prime is 72689359. The reversal of 72689358 is 85398627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72689359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26613 + ... + 29216.

It is an arithmetic number, because the mean of its divisors is an integer number (5359680).

Almost surely, 2^72689358 is an apocalyptic number.

72689358 is an abundant number, since it is smaller than the sum of its proper divisors (98820402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72689358 is a wasteful number, since it uses less digits than its factorization.

72689358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55872.

The product of its digits is 725760, while the sum is 48.

The square root of 72689358 is about 8525.8054164988. The cubic root of 72689358 is about 417.3402556180.

The spelling of 72689358 in words is "seventy-two million, six hundred eighty-nine thousand, three hundred fifty-eight".