79974336 has 84 divisors (see below), whose sum is σ = 229155752. Its totient is φ = 24470016.

The previous prime is 79974331. The next prime is 79974337. The reversal of 79974336 is 63347997.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79974331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446695 + ... + 446873.

Almost surely, 2^79974336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79974336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114577876).

79974336 is an abundant number, since it is smaller than the sum of its proper divisors (149181416).

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

79974336 is a wasteful number, since it uses less digits than its factorization.

79974336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 197 counting only the distinct ones).

The product of its digits is 857304, while the sum is 48.

The square root of 79974336 is about 8942.8371337065. The cubic root of 79974336 is about 430.8408569018.

The spelling of 79974336 in words is "seventy-nine million, nine hundred seventy-four thousand, three hundred thirty-six".