3470725 has 6 divisors (see below), whose sum is σ = 4303730. Its totient is φ = 2776560.

The previous prime is 3470713. The next prime is 3470741. The reversal of 3470725 is 5270743.

It can be written as a sum of positive squares in 3 ways, for example, as 88804 + 3381921 = 298^2 + 1839^2 .

It is not a de Polignac number, because 3470725 - 2⁹ = 3470213 is a prime.

It is an alternating number because its digits alternate between odd and even.

3470725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3470693 and 3470702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69390 + ... + 69439.

Almost surely, 2^3470725 is an apocalyptic number.

It is an amenable number.

3470725 is a deficient number, since it is larger than the sum of its proper divisors (833005).

3470725 is a wasteful number, since it uses less digits than its factorization.

3470725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138839 (or 138834 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 3470725 is about 1862.9881910522. The cubic root of 3470725 is about 151.4049478736.

The spelling of 3470725 in words is "three million, four hundred seventy thousand, seven hundred twenty-five".