79426458 has 12 divisors (see below), whose sum is σ = 172090698. Its totient is φ = 26475480.

The previous prime is 79426439. The next prime is 79426463. The reversal of 79426458 is 85462497.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79334649 + 91809 = 8907^2 + 303^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2206273 + ... + 2206308.

Almost surely, 2^79426458 is an apocalyptic number.

79426458 is an abundant number, since it is smaller than the sum of its proper divisors (92664240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79426458 is a wasteful number, since it uses less digits than its factorization.

79426458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412589 (or 4412586 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 79426458 is about 8912.1522653061. The cubic root of 79426458 is about 429.8547517358.

It can be divided in two parts, 7942 and 6458, that added together give a square (14400 = 120²).

The spelling of 79426458 in words is "seventy-nine million, four hundred twenty-six thousand, four hundred fifty-eight".