426632725 has 12 divisors (see below), whose sum is σ = 531341860. Its totient is φ = 339811200.

The previous prime is 426632711. The next prime is 426632749. The reversal of 426632725 is 527236624.

It can be written as a sum of positive squares in 6 ways, for example, as 19158129 + 407474596 = 4377^2 + 20186^2 .

It is not a de Polignac number, because 426632725 - 2⁵ = 426632693 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31536 + ... + 42985.

Almost surely, 2^426632725 is an apocalyptic number.

It is an amenable number.

426632725 is a deficient number, since it is larger than the sum of its proper divisors (104709135).

426632725 is a wasteful number, since it uses less digits than its factorization.

426632725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74760 (or 74755 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 426632725 is about 20655.0895664967. The cubic root of 426632725 is about 752.8088598684.

The spelling of 426632725 in words is "four hundred twenty-six million, six hundred thirty-two thousand, seven hundred twenty-five".