3427897725 has 144 divisors (see below), whose sum is σ = 7339113600. Its totient is φ = 1553644800.

The previous prime is 3427897723. The next prime is 3427897741. The reversal of 3427897725 is 5277987243.

3427897725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3427897725 - 2¹ = 3427897723 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427897721) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6335955 + ... + 6336495.

Almost surely, 2^3427897725 is an apocalyptic number.

3427897725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3427897725 is an abundant number, since it is smaller than the sum of its proper divisors (3911215875).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3427897725 is a wasteful number, since it uses less digits than its factorization.

3427897725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 705 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 3427897725 is about 58548.2512548411. The cubic root of 3427897725 is about 1507.7961102445.

The spelling of 3427897725 in words is "three billion, four hundred twenty-seven million, eight hundred ninety-seven thousand, seven hundred twenty-five".