3447340252725 has 24 divisors (see below), whose sum is σ = 5708900510752. Its totient is φ = 1835582126400.

The previous prime is 3447340252717. The next prime is 3447340252781. The reversal of 3447340252725 is 5272520437443.

It is a happy number.

It is not a de Polignac number, because 3447340252725 - 2³ = 3447340252717 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 23 ways as a sum of consecutive naturals, for example, 37445491 + ... + 37537440.

Almost surely, 2^{3447340252725} is an apocalyptic number.

It is an amenable number.

3447340252725 is a deficient number, since it is larger than the sum of its proper divisors (2261560258027).

3447340252725 is a wasteful number, since it uses less digits than its factorization.

3447340252725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74983557 (or 74983552 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 48.

The spelling of 3447340252725 in words is "three trillion, four hundred forty-seven billion, three hundred forty million, two hundred fifty-two thousand, seven hundred twenty-five".