7725747051 has 24 divisors (see below), whose sum is σ = 12373486320. Its totient is φ = 4605508800.

The previous prime is 7725747049. The next prime is 7725747067. The reversal of 7725747051 is 1507475277.

7725747051 is a `hidden beast` number, since 7 + 7 + 2 + 574 + 70 + 5 + 1 = 666.

7725747051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7725747051 - 2¹ = 7725747049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7725746988 and 7725747006.

It is not an unprimeable number, because it can be changed into a prime (7725747011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633616 + ... + 645693.

It is an arithmetic number, because the mean of its divisors is an integer number (515561930).

Almost surely, 2^7725747051 is an apocalyptic number.

7725747051 is a deficient number, since it is larger than the sum of its proper divisors (4647739269).

7725747051 is a wasteful number, since it uses less digits than its factorization.

7725747051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279387 (or 1279384 counting only the distinct ones).

The product of its (nonzero) digits is 480200, while the sum is 45.

The square root of 7725747051 is about 87896.2288781493. The cubic root of 7725747051 is about 1976.8793349660.

The spelling of 7725747051 in words is "seven billion, seven hundred twenty-five million, seven hundred forty-seven thousand, fifty-one".