7997250 has 32 divisors (see below), whose sum is σ = 19963008. Its totient is φ = 2132400.

The previous prime is 7997239. The next prime is 7997251. The reversal of 7997250 is 527997.

It is a junction number, because it is equal to n+sod(n) for n = 7997199 and 7997208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4582 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (623844).

Almost surely, 2^7997250 is an apocalyptic number.

7997250 is an abundant number, since it is smaller than the sum of its proper divisors (11965758).

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

7997250 is a wasteful number, since it uses less digits than its factorization.

7997250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10683 (or 10673 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 7997250 is about 2827.9409470496. The cubic root of 7997250 is about 199.9770807070.

The spelling of 7997250 in words is "seven million, nine hundred ninety-seven thousand, two hundred fifty".