8079720 has 64 divisors (see below), whose sum is σ = 26447040. Its totient is φ = 1958400.

The previous prime is 8079707. The next prime is 8079761. The reversal of 8079720 is 279708.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741 + ... + 4380.

It is an arithmetic number, because the mean of its divisors is an integer number (413235).

Almost surely, 2^8079720 is an apocalyptic number.

It is an amenable number.

8079720 is an abundant number, since it is smaller than the sum of its proper divisors (18367320).

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

8079720 is a wasteful number, since it uses less digits than its factorization.

8079720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146 (or 6142 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 8079720 is about 2842.4848284556. The cubic root of 8079720 is about 200.6621387754.

It can be divided in two parts, 80 and 79720, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 8079720 in words is "eight million, seventy-nine thousand, seven hundred twenty".