3450784725 has 36 divisors (see below), whose sum is σ = 6188687232. Its totient is φ = 1838052000.

The previous prime is 3450784723. The next prime is 3450784759. The reversal of 3450784725 is 5274870543.

It is not a de Polignac number, because 3450784725 - 2¹ = 3450784723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450784723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 173020 + ... + 191930.

Almost surely, 2^3450784725 is an apocalyptic number.

It is an amenable number.

3450784725 is a deficient number, since it is larger than the sum of its proper divisors (2737902507).

3450784725 is a wasteful number, since it uses less digits than its factorization.

3450784725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19738 (or 19730 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 3450784725 is about 58743.3802653542. The cubic root of 3450784725 is about 1511.1443637204.

The spelling of 3450784725 in words is "three billion, four hundred fifty million, seven hundred eighty-four thousand, seven hundred twenty-five".