79794036 has 72 divisors (see below), whose sum is σ = 236169024. Its totient is φ = 22239360.

The previous prime is 79794023. The next prime is 79794041. The reversal of 79794036 is 63049797.

It is a junction number, because it is equal to n+sod(n) for n = 79793982 and 79794000.

It is a congruent number.

It is an unprimeable number.

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, 6471 + ... + 14193.

Almost surely, 2^79794036 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 79794036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118084512).

79794036 is an abundant number, since it is smaller than the sum of its proper divisors (156374988).

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

79794036 is a wasteful number, since it uses less digits than its factorization.

79794036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781 (or 7776 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 79794036 is about 8932.7507521480. The cubic root of 79794036 is about 430.5168402239.

The spelling of 79794036 in words is "seventy-nine million, seven hundred ninety-four thousand, thirty-six".