72591366 has 8 divisors (see below), whose sum is σ = 145182744. Its totient is φ = 24197120.

The previous prime is 72591347. The next prime is 72591371. The reversal of 72591366 is 66319527.

It is a sphenic number, since it is the product of 3 distinct primes.

72591366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6049275 + ... + 6049286.

It is an arithmetic number, because the mean of its divisors is an integer number (18147843).

Almost surely, 2^72591366 is an apocalyptic number.

72591366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72591366 is a wasteful number, since it uses less digits than its factorization.

72591366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12098566.

The product of its digits is 68040, while the sum is 39.

The square root of 72591366 is about 8520.0566899522. The cubic root of 72591366 is about 417.1526334844.

The spelling of 72591366 in words is "seventy-two million, five hundred ninety-one thousand, three hundred sixty-six".