79453291 has 4 divisors (see below), whose sum is σ = 84127032. Its totient is φ = 74779552.

The previous prime is 79453289. The next prime is 79453303. The reversal of 79453291 is 19235497.

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

It is a cyclic number.

It is not a de Polignac number, because 79453291 - 2¹ = 79453289 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79453211) 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, 2336845 + ... + 2336878.

It is an arithmetic number, because the mean of its divisors is an integer number (21031758).

Almost surely, 2^79453291 is an apocalyptic number.

79453291 is a deficient number, since it is larger than the sum of its proper divisors (4673741).

79453291 is a wasteful number, since it uses less digits than its factorization.

79453291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673740.

The product of its digits is 68040, while the sum is 40.

The square root of 79453291 is about 8913.6575545620. The cubic root of 79453291 is about 429.9031528782.

It can be divided in two parts, 7945 and 3291, that added together give a square (11236 = 106²).

The spelling of 79453291 in words is "seventy-nine million, four hundred fifty-three thousand, two hundred ninety-one".