7725165072 has 40 divisors (see below), whose sum is σ = 19960609344. Its totient is φ = 2574547584.

The previous prime is 7725165047. The next prime is 7725165121. The reversal of 7725165072 is 2705615277.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291778 + ... + 317150.

Almost surely, 2^7725165072 is an apocalyptic number.

It is an amenable number.

7725165072 is an abundant number, since it is smaller than the sum of its proper divisors (12235444272).

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

7725165072 is a wasteful number, since it uses less digits than its factorization.

7725165072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31727 (or 31721 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 7725165072 is about 87892.9182130165. The cubic root of 7725165072 is about 1976.8296944095.

The spelling of 7725165072 in words is "seven billion, seven hundred twenty-five million, one hundred sixty-five thousand, seventy-two".