7125280 has 24 divisors (see below), whose sum is σ = 16833852. Its totient is φ = 2850048.

The previous prime is 7125277. The next prime is 7125281. The reversal of 7125280 is 825217.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 7056 = 2668^2 + 84^2 .

It is not an unprimeable number, because it can be changed into a prime (7125281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22107 + ... + 22426.

Almost surely, 2^7125280 is an apocalyptic number.

It is an amenable number.

7125280 is an abundant number, since it is smaller than the sum of its proper divisors (9708572).

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

7125280 is a wasteful number, since it uses less digits than its factorization.

7125280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44548 (or 44540 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 7125280 is about 2669.3220112980. The cubic root of 7125280 is about 192.4275771865.

The spelling of 7125280 in words is "seven million, one hundred twenty-five thousand, two hundred eighty".