427071725 has 6 divisors (see below), whose sum is σ = 529568970. Its totient is φ = 341657360.

The previous prime is 427071713. The next prime is 427071727. The reversal of 427071725 is 527170724.

It can be written as a sum of positive squares in 3 ways, for example, as 46158436 + 380913289 = 6794^2 + 19517^2 .

It is not a de Polignac number, because 427071725 - 2¹⁰ = 427070701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427071727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8541410 + ... + 8541459.

It is an arithmetic number, because the mean of its divisors is an integer number (88261495).

Almost surely, 2^427071725 is an apocalyptic number.

It is an amenable number.

427071725 is a deficient number, since it is larger than the sum of its proper divisors (102497245).

427071725 is a wasteful number, since it uses less digits than its factorization.

427071725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17082879 (or 17082874 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 427071725 is about 20665.7137549130. The cubic root of 427071725 is about 753.0669818084.

The spelling of 427071725 in words is "four hundred twenty-seven million, seventy-one thousand, seven hundred twenty-five".