7725708 has 18 divisors (see below), whose sum is σ = 19528964. Its totient is φ = 2575224.

The previous prime is 7725689. The next prime is 7725709. The reversal of 7725708 is 8075277.

7725708 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 214603 = 7725708 / (7 + 7 + 2 + 5 + 7 + 0 + 8).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (7725709) 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, 107266 + ... + 107337.

Almost surely, 2^7725708 is an apocalyptic number.

It is an amenable number.

7725708 is an abundant number, since it is smaller than the sum of its proper divisors (11803256).

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

7725708 is a wasteful number, since it uses less digits than its factorization.

7725708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214613 (or 214608 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 7725708 is about 2779.5157851683. The cubic root of 7725708 is about 197.6876004145.

The spelling of 7725708 in words is "seven million, seven hundred twenty-five thousand, seven hundred eight".