3478684725 has 72 divisors (see below), whose sum is σ = 6488390272. Its totient is φ = 1847577600.

The previous prime is 3478684717. The next prime is 3478684739. The reversal of 3478684725 is 5274868743.

It is not a de Polignac number, because 3478684725 - 2³ = 3478684717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1645269 + ... + 1647381.

Almost surely, 2^3478684725 is an apocalyptic number.

It is an amenable number.

3478684725 is a deficient number, since it is larger than the sum of its proper divisors (3009705547).

3478684725 is a wasteful number, since it uses less digits than its factorization.

3478684725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2392 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The square root of 3478684725 is about 58980.3757617735. The cubic root of 3478684725 is about 1515.2060302095.

The spelling of 3478684725 in words is "three billion, four hundred seventy-eight million, six hundred eighty-four thousand, seven hundred twenty-five".