79236144 has 100 divisors (see below), whose sum is σ = 247025856. Its totient is φ = 24375168.

The previous prime is 79236121. The next prime is 79236151. The reversal of 79236144 is 44163297.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 79236099 and 79236108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14497 + ... + 19199.

Almost surely, 2^79236144 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 79236144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123512928).

79236144 is an abundant number, since it is smaller than the sum of its proper divisors (167789712).

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

79236144 is a wasteful number, since it uses less digits than its factorization.

79236144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736 (or 4721 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 79236144 is about 8901.4686428701. The cubic root of 79236144 is about 429.5111516893.

The spelling of 79236144 in words is "seventy-nine million, two hundred thirty-six thousand, one hundred forty-four".