72700994 has 8 divisors (see below), whose sum is σ = 109167168. Its totient is φ = 36311940.

The previous prime is 72700987. The next prime is 72701009. The reversal of 72700994 is 49900727.

It is a happy number.

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

It is a Curzon 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, 16862 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (13645896).

Almost surely, 2^72700994 is an apocalyptic number.

72700994 is a deficient number, since it is larger than the sum of its proper divisors (36466174).

72700994 is a wasteful number, since it uses less digits than its factorization.

72700994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38560.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 72700994 is about 8526.4877880637. The cubic root of 72700994 is about 417.3625234907.

The spelling of 72700994 in words is "seventy-two million, seven hundred thousand, nine hundred ninety-four".