7490520 has 48 divisors (see below), whose sum is σ = 24345360. Its totient is φ = 1997376.

The previous prime is 7490513. The next prime is 7490537. The reversal of 7490520 is 250947.

7490520 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7490520² = 112215779740800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10044 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (507195).

Almost surely, 2^7490520 is an apocalyptic number.

It is an amenable number.

7490520 is an abundant number, since it is smaller than the sum of its proper divisors (16854840).

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

7490520 is a wasteful number, since it uses less digits than its factorization.

7490520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20824 (or 20817 counting only the distinct ones).

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

The square root of 7490520 is about 2736.8814369643. The cubic root of 7490520 is about 195.6608740737.

The spelling of 7490520 in words is "seven million, four hundred ninety thousand, five hundred twenty".