7242457524 has 48 divisors (see below), whose sum is σ = 17214382080. Its totient is φ = 2369414880.

The previous prime is 7242457507. The next prime is 7242457577. The reversal of 7242457524 is 4257542427.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170937 + ... + 209055.

It is an arithmetic number, because the mean of its divisors is an integer number (358632960).

Almost surely, 2^7242457524 is an apocalyptic number.

It is an amenable number.

7242457524 is an abundant number, since it is smaller than the sum of its proper divisors (9971924556).

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

7242457524 is a wasteful number, since it uses less digits than its factorization.

7242457524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38420 (or 38418 counting only the distinct ones).

The product of its digits is 627200, while the sum is 42.

The square root of 7242457524 is about 85102.6293600850. The cubic root of 7242457524 is about 1934.7669151503.

The spelling of 7242457524 in words is "seven billion, two hundred forty-two million, four hundred fifty-seven thousand, five hundred twenty-four".