427677 has 4 divisors (see below), whose sum is σ = 570240. Its totient is φ = 285116.

The previous prime is 427621. The next prime is 427681. The reversal of 427677 is 776724.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427677 - 2⁸ = 427421 is a prime.

It is a super-4 number, since 4×427677⁴ (a number of 24 digits) contains 4444 as substring.

It is a D-number.

427677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71277 + ... + 71282.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2⁴²⁷⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

427677 is a deficient number, since it is larger than the sum of its proper divisors (142563).

427677 is a wasteful number, since it uses less digits than its factorization.

427677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142562.

The product of its digits is 16464, while the sum is 33.

The square root of 427677 is about 653.9701828065. The cubic root of 427677 is about 75.3422579728.

The spelling of 427677 in words is "four hundred twenty-seven thousand, six hundred seventy-seven".