7974980 has 48 divisors (see below), whose sum is σ = 18545520. Its totient is φ = 2861568.

The previous prime is 7974977. The next prime is 7974991. The reversal of 7974980 is 894797.

It can be written as a sum of positive squares in 8 ways, for example, as 4 + 7974976 = 2^2 + 2824^2 .

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, 9206 + ... + 10034.

It is an arithmetic number, because the mean of its divisors is an integer number (386365).

Almost surely, 2^7974980 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 7974980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9272760).

7974980 is an abundant number, since it is smaller than the sum of its proper divisors (10570540).

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

7974980 is a wasteful number, since it uses less digits than its factorization.

7974980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 7974980 is about 2824.0007082152. Note that the first 3 decimals coincide. The cubic root of 7974980 is about 199.7912822603.

The spelling of 7974980 in words is "seven million, nine hundred seventy-four thousand, nine hundred eighty".