79272379 has 8 divisors (see below), whose sum is σ = 80535680. Its totient is φ = 78014016.

The previous prime is 79272337. The next prime is 79272383. The reversal of 79272379 is 97327297.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79272379 - 2⁷ = 79272251 is a prime.

It is a super-2 number, since 2×79272379² = 12568220144639282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79272079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43417 + ... + 45205.

It is an arithmetic number, because the mean of its divisors is an integer number (10066960).

Almost surely, 2^79272379 is an apocalyptic number.

79272379 is a deficient number, since it is larger than the sum of its proper divisors (1263301).

79272379 is a wasteful number, since it uses less digits than its factorization.

79272379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its digits is 333396, while the sum is 46.

The square root of 79272379 is about 8903.5037485251. The cubic root of 79272379 is about 429.5766140907.

The spelling of 79272379 in words is "seventy-nine million, two hundred seventy-two thousand, three hundred seventy-nine".