7520413872 has 30 divisors (see below), whose sum is σ = 19429288068. Its totient is φ = 2506604352.

The previous prime is 7520413841. The next prime is 7520413877. The reversal of 7520413872 is 2783140257.

It is a self number, because there is not a number n which added to its sum of digits gives 7520413872.

It is not an unprimeable number, because it can be changed into a prime (7520413877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 594558 + ... + 607074.

Almost surely, 2^7520413872 is an apocalyptic number.

It is an amenable number.

7520413872 is an abundant number, since it is smaller than the sum of its proper divisors (11908874196).

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

7520413872 is an frugal number, since it uses more digits than its factorization.

7520413872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25045 (or 12522 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 7520413872 is about 86720.3198333585. The cubic root of 7520413872 is about 1959.2081585503.

The spelling of 7520413872 in words is "seven billion, five hundred twenty million, four hundred thirteen thousand, eight hundred seventy-two".