427437 has 12 divisors (see below), whose sum is σ = 640640. Its totient is φ = 284796.

The previous prime is 427433. The next prime is 427439. The reversal of 427437 is 734724.

It is not a de Polignac number, because 427437 - 2² = 427433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637 + ... + 1122.

2⁴²⁷⁴³⁷ is an apocalyptic number.

It is an amenable number.

427437 is a deficient number, since it is larger than the sum of its proper divisors (213203).

427437 is an equidigital number, since it uses as much as digits as its factorization.

427437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1762 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 427437 is about 653.7866624519. The cubic root of 427437 is about 75.3281620348.

The spelling of 427437 in words is "four hundred twenty-seven thousand, four hundred thirty-seven".