7252857280 has 112 divisors (see below), whose sum is σ = 17568915840. Its totient is φ = 2851430400.

The previous prime is 7252857277. The next prime is 7252857299. The reversal of 7252857280 is 827582527.

It is a self number, because there is not a number n which added to its sum of digits gives 7252857280.

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, 7103170 + ... + 7104190.

It is an arithmetic number, because the mean of its divisors is an integer number (156865320).

Almost surely, 2^7252857280 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 7252857280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8784457920).

7252857280 is an abundant number, since it is smaller than the sum of its proper divisors (10316058560).

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

7252857280 is a wasteful number, since it uses less digits than its factorization.

7252857280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 7252857280 is about 85163.7087027097. The cubic root of 7252857280 is about 1935.6925438946.

The spelling of 7252857280 in words is "seven billion, two hundred fifty-two million, eight hundred fifty-seven thousand, two hundred eighty".