79421976 has 48 divisors (see below), whose sum is σ = 226426200. Its totient is φ = 25080192.

The previous prime is 79421971. The next prime is 79421983. The reversal of 79421976 is 67912497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79421971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27661 + ... + 30396.

Almost surely, 2^79421976 is an apocalyptic number.

79421976 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

79421976 is an abundant number, since it is smaller than the sum of its proper divisors (147004224).

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

79421976 is a wasteful number, since it uses less digits than its factorization.

79421976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58088 (or 58081 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 79421976 is about 8911.9008073474. The cubic root of 79421976 is about 429.8466660790.

The spelling of 79421976 in words is "seventy-nine million, four hundred twenty-one thousand, nine hundred seventy-six".