7426520 has 32 divisors (see below), whose sum is σ = 16787520. Its totient is φ = 2956800.

The previous prime is 7426483. The next prime is 7426537. The reversal of 7426520 is 256247.

It is a self number, because there is not a number n which added to its sum of digits gives 7426520.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15809 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (524610).

Almost surely, 2^7426520 is an apocalyptic number.

It is an amenable number.

7426520 is an abundant number, since it is smaller than the sum of its proper divisors (9361000).

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

7426520 is a wasteful number, since it uses less digits than its factorization.

7426520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 7426520 is about 2725.1642152355. The cubic root of 7426520 is about 195.1020285706.

The spelling of 7426520 in words is "seven million, four hundred twenty-six thousand, five hundred twenty".