79748224 has 64 divisors (see below), whose sum is σ = 171041760. Its totient is φ = 36900864.

The previous prime is 79748191. The next prime is 79748243. The reversal of 79748224 is 42284797.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145519 + ... + 146065.

Almost surely, 2^79748224 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 79748224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85520880).

79748224 is an abundant number, since it is smaller than the sum of its proper divisors (91293536).

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

79748224 is a wasteful number, since it uses less digits than its factorization.

79748224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 633 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 79748224 is about 8930.1861122823. The cubic root of 79748224 is about 430.4344338431.

It can be divided in two parts, 797 and 48224, that multiplied together give a triangular number (38434528 = T₈₇₆₇).

The spelling of 79748224 in words is "seventy-nine million, seven hundred forty-eight thousand, two hundred twenty-four".