427130685 has 32 divisors (see below), whose sum is σ = 761201280. Its totient is φ = 227245824.

The previous prime is 427130681. The next prime is 427130713. The reversal of 427130685 is 586031724.

427130685 is a `hidden beast` number, since 4 + 271 + 306 + 85 = 666.

It is not a de Polignac number, because 427130685 - 2² = 427130681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427130681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54802 + ... + 62108.

It is an arithmetic number, because the mean of its divisors is an integer number (23787540).

Almost surely, 2^427130685 is an apocalyptic number.

427130685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

427130685 is a deficient number, since it is larger than the sum of its proper divisors (334070595).

427130685 is a wasteful number, since it uses less digits than its factorization.

427130685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 427130685 is about 20667.1402230691. The cubic root of 427130685 is about 753.1016354614.

The spelling of 427130685 in words is "four hundred twenty-seven million, one hundred thirty thousand, six hundred eighty-five".