7522990 has 8 divisors (see below), whose sum is σ = 13541400. Its totient is φ = 3009192.

The previous prime is 7522981. The next prime is 7522997. The reversal of 7522990 is 992257.

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

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376140 + ... + 376159.

It is an arithmetic number, because the mean of its divisors is an integer number (1692675).

Almost surely, 2^7522990 is an apocalyptic number.

7522990 is a deficient number, since it is larger than the sum of its proper divisors (6018410).

7522990 is a wasteful number, since it uses less digits than its factorization.

7522990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752306.

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

The square root of 7522990 is about 2742.8069563861. The cubic root of 7522990 is about 195.9431842818.

The spelling of 7522990 in words is "seven million, five hundred twenty-two thousand, nine hundred ninety".