427570 has 48 divisors (see below), whose sum is σ = 948672. Its totient is φ = 137280.

The previous prime is 427541. The next prime is 427579. The reversal of 427570 is 75724.

It is a super-2 number, since 2×427570² = 365632209800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18579 + ... + 18601.

It is an arithmetic number, because the mean of its divisors is an integer number (19764).

2⁴²⁷⁵⁷⁰ is an apocalyptic number.

427570 is an abundant number, since it is smaller than the sum of its proper divisors (521102).

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

427570 is a wasteful number, since it uses less digits than its factorization.

427570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 427570 is about 653.8883696779. Note that the first 3 decimals coincide. The cubic root of 427570 is about 75.3359741854.

The spelling of 427570 in words is "four hundred twenty-seven thousand, five hundred seventy".