7987250 has 32 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 3116400.

The previous prime is 7987249. The next prime is 7987253. The reversal of 7987250 is 527897.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7987253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10379 + ... + 11121.

It is an arithmetic number, because the mean of its divisors is an integer number (478764).

Almost surely, 2^7987250 is an apocalyptic number.

7987250 is a deficient number, since it is larger than the sum of its proper divisors (7333198).

7987250 is a wasteful number, since it uses less digits than its factorization.

7987250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 7987250 is about 2826.1723231254. The cubic root of 7987250 is about 199.8936935047.

The spelling of 7987250 in words is "seven million, nine hundred eighty-seven thousand, two hundred fifty".