79724752 has 20 divisors (see below), whose sum is σ = 158060320. Its totient is φ = 38935008.

The previous prime is 79724717. The next prime is 79724783. The reversal of 79724752 is 25742797.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 79724699 and 79724708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57252 + ... + 58627.

It is an arithmetic number, because the mean of its divisors is an integer number (7903016).

Almost surely, 2^79724752 is an apocalyptic number.

It is an amenable number.

79724752 is a deficient number, since it is larger than the sum of its proper divisors (78335568).

79724752 is a wasteful number, since it uses less digits than its factorization.

79724752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115930 (or 115924 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 79724752 is about 8928.8718212325. The cubic root of 79724752 is about 430.3922003073.

The spelling of 79724752 in words is "seventy-nine million, seven hundred twenty-four thousand, seven hundred fifty-two".