79493872 has 80 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 35562240.

The previous prime is 79493857. The next prime is 79493879. The reversal of 79493872 is 27839497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79493879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625873 + ... + 625999.

It is an arithmetic number, because the mean of its divisors is an integer number (2142720).

Almost surely, 2^79493872 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 79493872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85708800).

79493872 is an abundant number, since it is smaller than the sum of its proper divisors (91923728).

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

79493872 is a wasteful number, since it uses less digits than its factorization.

79493872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 79493872 is about 8915.9336022651. The cubic root of 79493872 is about 429.9763318503.

The spelling of 79493872 in words is "seventy-nine million, four hundred ninety-three thousand, eight hundred seventy-two".