72794997 has 32 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 43758000.

The previous prime is 72794987. The next prime is 72795011. The reversal of 72794997 is 79949727.

It is not a de Polignac number, because 72794997 - 2⁶ = 72794933 is a prime.

It is a super-2 number, since 2×72794997² = 10598223176460018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72794927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37972 + ... + 39842.

It is an arithmetic number, because the mean of its divisors is an integer number (3706560).

Almost surely, 2^72794997 is an apocalyptic number.

It is an amenable number.

72794997 is a deficient number, since it is larger than the sum of its proper divisors (45814923).

72794997 is a wasteful number, since it uses less digits than its factorization.

72794997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 2016 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 54.

The square root of 72794997 is about 8531.9984177214. The cubic root of 72794997 is about 417.5423304397.

The spelling of 72794997 in words is "seventy-two million, seven hundred ninety-four thousand, nine hundred ninety-seven".