72761718 has 8 divisors (see below), whose sum is σ = 145523448. Its totient is φ = 24253904.

The previous prime is 72761707. The next prime is 72761779. The reversal of 72761718 is 81716727.

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

72761718 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, 6063471 + ... + 6063482.

It is an arithmetic number, because the mean of its divisors is an integer number (18190431).

Almost surely, 2^72761718 is an apocalyptic number.

72761718 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.

72761718 is a wasteful number, since it uses less digits than its factorization.

72761718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12126958.

The product of its digits is 32928, while the sum is 39.

The square root of 72761718 is about 8530.0479482826. The cubic root of 72761718 is about 417.4786927823.

The spelling of 72761718 in words is "seventy-two million, seven hundred sixty-one thousand, seven hundred eighteen".