7578725488 has 20 divisors (see below), whose sum is σ = 14687260848. Its totient is φ = 3788464640.

The previous prime is 7578725449. The next prime is 7578725549. The reversal of 7578725488 is 8845278757.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16320 + ... + 124192.

Almost surely, 2^7578725488 is an apocalyptic number.

It is an amenable number.

7578725488 is a deficient number, since it is larger than the sum of its proper divisors (7108535360).

7578725488 is a wasteful number, since it uses less digits than its factorization.

7578725488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112272 (or 112266 counting only the distinct ones).

The product of its digits is 35123200, while the sum is 61.

The square root of 7578725488 is about 87055.8756661490. The cubic root of 7578725488 is about 1964.2588816192.

The spelling of 7578725488 in words is "seven billion, five hundred seventy-eight million, seven hundred twenty-five thousand, four hundred eighty-eight".