79930454 has 24 divisors (see below), whose sum is σ = 127558800. Its totient is φ = 37557072.

The previous prime is 79930453. The next prime is 79930457. The reversal of 79930454 is 45403997.

It is a super-2 number, since 2×79930454² = 12777754953292232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79930453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107207 + ... + 107949.

It is an arithmetic number, because the mean of its divisors is an integer number (5314950).

Almost surely, 2^79930454 is an apocalyptic number.

79930454 is a deficient number, since it is larger than the sum of its proper divisors (47628346).

79930454 is a wasteful number, since it uses less digits than its factorization.

79930454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 79930454 is about 8940.3833251153. The cubic root of 79930454 is about 430.7620415450.

The spelling of 79930454 in words is "seventy-nine million, nine hundred thirty thousand, four hundred fifty-four".