7522920 has 48 divisors (see below), whose sum is σ = 24450660. Its totient is φ = 2006016.

The previous prime is 7522901. The next prime is 7522927. The reversal of 7522920 is 292257.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7518564 + 4356 = 2742^2 + 66^2 .

It is not an unprimeable number, because it can be changed into a prime (7522927) 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 11 ways as a sum of consecutive naturals, for example, 10089 + ... + 10808.

Almost surely, 2^7522920 is an apocalyptic number.

It is an amenable number.

7522920 is an abundant number, since it is smaller than the sum of its proper divisors (16927740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7522920 is a wasteful number, since it uses less digits than its factorization.

7522920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20914 (or 20907 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7522920 is about 2742.7941957063. The cubic root of 7522920 is about 195.9425765418.

The spelling of 7522920 in words is "seven million, five hundred twenty-two thousand, nine hundred twenty".