79374421 has 24 divisors (see below), whose sum is σ = 95600960. Its totient is φ = 64544256.

The previous prime is 79374413. The next prime is 79374437. The reversal of 79374421 is 12447397.

It is not a de Polignac number, because 79374421 - 2³ = 79374413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79374721) 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 23 ways as a sum of consecutive naturals, for example, 570970 + ... + 571108.

Almost surely, 2^79374421 is an apocalyptic number.

It is an amenable number.

79374421 is a deficient number, since it is larger than the sum of its proper divisors (16226539).

79374421 is a wasteful number, since it uses less digits than its factorization.

79374421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 272 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 79374421 is about 8909.2323462799. The cubic root of 79374421 is about 429.7608567500.

The spelling of 79374421 in words is "seventy-nine million, three hundred seventy-four thousand, four hundred twenty-one".