79272733 has 4 divisors (see below), whose sum is σ = 80572348. Its totient is φ = 77973120.

The previous prime is 79272727. The next prime is 79272763. The reversal of 79272733 is 33727297.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26811684 + 52461049 = 5178^2 + 7243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79272733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79272703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649716 + ... + 649837.

It is an arithmetic number, because the mean of its divisors is an integer number (20143087).

Almost surely, 2^79272733 is an apocalyptic number.

It is an amenable number.

79272733 is a deficient number, since it is larger than the sum of its proper divisors (1299615).

79272733 is a wasteful number, since it uses less digits than its factorization.

79272733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299614.

The product of its digits is 111132, while the sum is 40.

The square root of 79272733 is about 8903.5236283170. The cubic root of 79272733 is about 429.5772535312.

The spelling of 79272733 in words is "seventy-nine million, two hundred seventy-two thousand, seven hundred thirty-three".