79497936 has 240 divisors, whose sum is σ = 277315584. Its totient is φ = 21555072.

The previous prime is 79497923. The next prime is 79497953. The reversal of 79497936 is 63979497.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (2571912) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 625905 + ... + 626031.

Almost surely, 2^79497936 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 79497936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138657792).

79497936 is an abundant number, since it is smaller than the sum of its proper divisors (197817648).

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

79497936 is a wasteful number, since it uses less digits than its factorization.

79497936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 162 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 79497936 is about 8916.1615059396. The cubic root of 79497936 is about 429.9836590149.

The spelling of 79497936 in words is "seventy-nine million, four hundred ninety-seven thousand, nine hundred thirty-six".