7990507 has 16 divisors (see below), whose sum is σ = 9756160. Its totient is φ = 6391872.

The previous prime is 7990481. The next prime is 7990519. The reversal of 7990507 is 7050997.

It is a cyclic number.

It is not a de Polignac number, because 7990507 - 2⁷ = 7990379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7990597) 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, 9298 + ... + 10120.

It is an arithmetic number, because the mean of its divisors is an integer number (609760).

Almost surely, 2^7990507 is an apocalyptic number.

7990507 is a deficient number, since it is larger than the sum of its proper divisors (1765653).

7990507 is a wasteful number, since it uses less digits than its factorization.

7990507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 7990507 is about 2826.7484854511. The cubic root of 7990507 is about 199.9208603554.

The spelling of 7990507 in words is "seven million, nine hundred ninety thousand, five hundred seven".