79204224 has 128 divisors (see below), whose sum is σ = 243233280. Its totient is φ = 22568960.

The previous prime is 79204201. The next prime is 79204243. The reversal of 79204224 is 42240297.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 79204191 and 79204200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71257 + ... + 72359.

It is an arithmetic number, because the mean of its divisors is an integer number (1900260).

Almost surely, 2^79204224 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 79204224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121616640).

79204224 is an abundant number, since it is smaller than the sum of its proper divisors (164029056).

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

79204224 is a wasteful number, since it uses less digits than its factorization.

79204224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 79204224 is about 8899.6754997022. The cubic root of 79204224 is about 429.4534682607.

The spelling of 79204224 in words is "seventy-nine million, two hundred four thousand, two hundred twenty-four".