677142 has 12 divisors (see below), whose sum is σ = 1467180. Its totient is φ = 225708.

The previous prime is 677119. The next prime is 677147. The reversal of 677142 is 241776.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 677142.

It is not an unprimeable number, because it can be changed into a prime (677147) by changing a digit.

677142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18792 + ... + 18827.

It is an arithmetic number, because the mean of its divisors is an integer number (122265).

2⁶⁷⁷¹⁴² is an apocalyptic number.

677142 is an abundant number, since it is smaller than the sum of its proper divisors (790038).

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

677142 is a wasteful number, since it uses less digits than its factorization.

677142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37627 (or 37624 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 677142 is about 822.8863834090. The cubic root of 677142 is about 87.8132229987.

The spelling of 677142 in words is "six hundred seventy-seven thousand, one hundred forty-two".