7990522 has 8 divisors (see below), whose sum is σ = 12506976. Its totient is φ = 3821532.

The previous prime is 7990519. The next prime is 7990559. The reversal of 7990522 is 2250997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86808 + ... + 86899.

It is an arithmetic number, because the mean of its divisors is an integer number (1563372).

Almost surely, 2^7990522 is an apocalyptic number.

7990522 is a deficient number, since it is larger than the sum of its proper divisors (4516454).

7990522 is a wasteful number, since it uses less digits than its factorization.

7990522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173732.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 7990522 is about 2826.7511386749. The cubic root of 7990522 is about 199.9209854543.

It can be divided in two parts, 79 and 90522, that added together give a square (90601 = 301²).

The spelling of 7990522 in words is "seven million, nine hundred ninety thousand, five hundred twenty-two".