677546 has 4 divisors (see below), whose sum is σ = 1016322. Its totient is φ = 338772.

The previous prime is 677543. The next prime is 677561. The reversal of 677546 is 645776.

677546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 330625 = 589^2 + 575^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (677543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169385 + ... + 169388.

2⁶⁷⁷⁵⁴⁶ is an apocalyptic number.

677546 is a deficient number, since it is larger than the sum of its proper divisors (338776).

677546 is a wasteful number, since it uses less digits than its factorization.

677546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338775.

The product of its digits is 35280, while the sum is 35.

The square root of 677546 is about 823.1318241934. The cubic root of 677546 is about 87.8306833881.

The spelling of 677546 in words is "six hundred seventy-seven thousand, five hundred forty-six".