79244380 has 48 divisors (see below), whose sum is σ = 172176480. Its totient is φ = 30613248.

The previous prime is 79244371. The next prime is 79244393. The reversal of 79244380 is 8344297.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 15 ways as a sum of consecutive naturals, for example, 127711 + ... + 128329.

It is an arithmetic number, because the mean of its divisors is an integer number (3587010).

Almost surely, 2^79244380 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 79244380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86088240).

79244380 is an abundant number, since it is smaller than the sum of its proper divisors (92932100).

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

79244380 is a wasteful number, since it uses less digits than its factorization.

79244380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 79244380 is about 8901.9312511387. The cubic root of 79244380 is about 429.5260326562.

The spelling of 79244380 in words is "seventy-nine million, two hundred forty-four thousand, three hundred eighty".