79704180 has 72 divisors (see below), whose sum is σ = 250122600. Its totient is φ = 20520192.

The previous prime is 79704167. The next prime is 79704227. The reversal of 79704180 is 8140797.

It can be written as a sum of positive squares in 4 ways, for example, as 7420176 + 72284004 = 2724^2 + 8502^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2415 + ... + 12854.

It is an arithmetic number, because the mean of its divisors is an integer number (3473925).

Almost surely, 2^79704180 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 79704180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125061300).

79704180 is an abundant number, since it is smaller than the sum of its proper divisors (170418420).

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

79704180 is a wasteful number, since it uses less digits than its factorization.

79704180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15313 (or 15308 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 79704180 is about 8927.7197536661. The cubic root of 79704180 is about 430.3551779699.

The spelling of 79704180 in words is "seventy-nine million, seven hundred four thousand, one hundred eighty".