79044636 has 48 divisors (see below), whose sum is σ = 211800960. Its totient is φ = 22691520.

The previous prime is 79044631. The next prime is 79044671. The reversal of 79044636 is 63644097.

It is a junction number, because it is equal to n+sod(n) for n = 79044594 and 79044603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79044631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13251 + ... + 18266.

It is an arithmetic number, because the mean of its divisors is an integer number (4412520).

Almost surely, 2^79044636 is an apocalyptic number.

79044636 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

79044636 is an abundant number, since it is smaller than the sum of its proper divisors (132756324).

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

79044636 is a wasteful number, since it uses less digits than its factorization.

79044636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31554 (or 31552 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 79044636 is about 8890.7050339104. The cubic root of 79044636 is about 429.1648401259.

The spelling of 79044636 in words is "seventy-nine million, forty-four thousand, six hundred thirty-six".