677572 has 18 divisors (see below), whose sum is σ = 1379742. Its totient is φ = 290304.

The previous prime is 677563. The next prime is 677587. The reversal of 677572 is 275776.

It can be written as a sum of positive squares in only one way, i.e., 379456 + 298116 = 616^2 + 546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1533 + ... + 1924.

2⁶⁷⁷⁵⁷² is an apocalyptic number.

It is an amenable number.

677572 is an abundant number, since it is smaller than the sum of its proper divisors (702170).

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

677572 is a wasteful number, since it uses less digits than its factorization.

677572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475 (or 3466 counting only the distinct ones).

The product of its digits is 20580, while the sum is 34.

The square root of 677572 is about 823.1476173810. The cubic root of 677572 is about 87.8318068388.

The spelling of 677572 in words is "six hundred seventy-seven thousand, five hundred seventy-two".