79459720 has 64 divisors (see below), whose sum is σ = 187265520. Its totient is φ = 30311424.

The previous prime is 79459703. The next prime is 79459747. The reversal of 79459720 is 2795497.

It can be written as a sum of positive squares in 8 ways, for example, as 31877316 + 47582404 = 5646^2 + 6898^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77934 + ... + 78946.

Almost surely, 2^79459720 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 79459720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93632760).

79459720 is an abundant number, since it is smaller than the sum of its proper divisors (107805800).

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

79459720 is a wasteful number, since it uses less digits than its factorization.

79459720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 79459720 is about 8914.0181736409. The cubic root of 79459720 is about 429.9147478366.

The spelling of 79459720 in words is "seventy-nine million, four hundred fifty-nine thousand, seven hundred twenty".