72794998 has 4 divisors (see below), whose sum is σ = 109192500. Its totient is φ = 36397498.

The previous prime is 72794987. The next prime is 72795011. The reversal of 72794998 is 89949727.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×72794998² = 10598223467640008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18198748 + ... + 18198751.

It is an arithmetic number, because the mean of its divisors is an integer number (27298125).

Almost surely, 2^72794998 is an apocalyptic number.

72794998 is a deficient number, since it is larger than the sum of its proper divisors (36397502).

72794998 is a wasteful number, since it uses less digits than its factorization.

72794998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36397501.

The product of its digits is 2286144, while the sum is 55.

The square root of 72794998 is about 8531.9984763243. The cubic root of 72794998 is about 417.5423323516.

The spelling of 72794998 in words is "seventy-two million, seven hundred ninety-four thousand, nine hundred ninety-eight".