79847472 has 40 divisors (see below), whose sum is σ = 206643520. Its totient is φ = 26568000.

The previous prime is 79847429. The next prime is 79847479. The reversal of 79847472 is 27474897.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (79847479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34347 + ... + 36597.

It is an arithmetic number, because the mean of its divisors is an integer number (5166088).

Almost surely, 2^79847472 is an apocalyptic number.

It is an amenable number.

79847472 is an abundant number, since it is smaller than the sum of its proper divisors (126796048).

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

79847472 is a wasteful number, since it uses less digits than its factorization.

79847472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2995 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 79847472 is about 8935.7412675166. The cubic root of 79847472 is about 430.6129207734.

The spelling of 79847472 in words is "seventy-nine million, eight hundred forty-seven thousand, four hundred seventy-two".