79549272 has 144 divisors (see below), whose sum is σ = 247731120. Its totient is φ = 22999680.

The previous prime is 79549271. The next prime is 79549277. The reversal of 79549272 is 27294597.

79549272 is a `hidden beast` number, since 7 + 95 + 492 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79549271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 200178 + ... + 200574.

It is an arithmetic number, because the mean of its divisors is an integer number (1720355).

Almost surely, 2^79549272 is an apocalyptic number.

79549272 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 79549272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123865560).

79549272 is an abundant number, since it is smaller than the sum of its proper divisors (168181848).

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

79549272 is a wasteful number, since it uses less digits than its factorization.

79549272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 436 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 79549272 is about 8919.0398586395. The cubic root of 79549272 is about 430.0761934569.

The spelling of 79549272 in words is "seventy-nine million, five hundred forty-nine thousand, two hundred seventy-two".