79716736 has 48 divisors (see below), whose sum is σ = 174594420. Its totient is φ = 36227840.

The previous prime is 79716733. The next prime is 79716743. The reversal of 79716736 is 63761797.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79716733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12915 + ... + 18061.

Almost surely, 2^79716736 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 79716736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87297210).

79716736 is an abundant number, since it is smaller than the sum of its proper divisors (94877684).

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

79716736 is a wasteful number, since it uses less digits than its factorization.

79716736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183 (or 5160 counting only the distinct ones).

The product of its digits is 333396, while the sum is 46.

The square root of 79716736 is about 8928.4229290508. The cubic root of 79716736 is about 430.3777750946.

The spelling of 79716736 in words is "seventy-nine million, seven hundred sixteen thousand, seven hundred thirty-six".