3678656725 has 12 divisors (see below), whose sum is σ = 4619277760. Its totient is φ = 2905671600.

The previous prime is 3678656717. The next prime is 3678656743. The reversal of 3678656725 is 5276568763.

It is not a de Polignac number, because 3678656725 - 2³ = 3678656717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929331 + ... + 933280.

Almost surely, 2^3678656725 is an apocalyptic number.

It is an amenable number.

3678656725 is a deficient number, since it is larger than the sum of its proper divisors (940621035).

3678656725 is a wasteful number, since it uses less digits than its factorization.

3678656725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862700 (or 1862695 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 55.

The square root of 3678656725 is about 60651.9309255691. The cubic root of 3678656725 is about 1543.7006527523.

The spelling of 3678656725 in words is "three billion, six hundred seventy-eight million, six hundred fifty-six thousand, seven hundred twenty-five".