7522790 has 16 divisors (see below), whose sum is σ = 14772240. Its totient is φ = 2735520.

The previous prime is 7522787. The next prime is 7522793. The reversal of 7522790 is 972257.

It is an interprime number because it is at equal distance from previous prime (7522787) and next prime (7522793).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522793) 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 7 ways as a sum of consecutive naturals, for example, 34085 + ... + 34304.

It is an arithmetic number, because the mean of its divisors is an integer number (923265).

Almost surely, 2^7522790 is an apocalyptic number.

7522790 is a deficient number, since it is larger than the sum of its proper divisors (7249450).

7522790 is a wasteful number, since it uses less digits than its factorization.

7522790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68407.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7522790 is about 2742.7704971434. The cubic root of 7522790 is about 195.9414478718.

The spelling of 7522790 in words is "seven million, five hundred twenty-two thousand, seven hundred ninety".