79794072 has 80 divisors (see below), whose sum is σ = 235296600. Its totient is φ = 25194240.

The previous prime is 79794059. The next prime is 79794079. The reversal of 79794072 is 27049797.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79794079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9072 + ... + 15552.

Almost surely, 2^79794072 is an apocalyptic number.

79794072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79794072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117648300).

79794072 is an abundant number, since it is smaller than the sum of its proper divisors (155502528).

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

79794072 is a wasteful number, since it uses less digits than its factorization.

79794072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 79794072 is about 8932.7527672045. The cubic root of 79794072 is about 430.5169049681.

The spelling of 79794072 in words is "seventy-nine million, seven hundred ninety-four thousand, seventy-two".