79448472 has 64 divisors (see below), whose sum is σ = 226677600. Its totient is φ = 25764480.

The previous prime is 79448461. The next prime is 79448489. The reversal of 79448472 is 27484497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3022 + ... + 12962.

Almost surely, 2^79448472 is an apocalyptic number.

79448472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79448472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113338800).

79448472 is an abundant number, since it is smaller than the sum of its proper divisors (147229128).

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

79448472 is a wasteful number, since it uses less digits than its factorization.

79448472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9993 (or 9983 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 79448472 is about 8913.3872349405. The cubic root of 79448472 is about 429.8944612089.

The spelling of 79448472 in words is "seventy-nine million, four hundred forty-eight thousand, four hundred seventy-two".