677534 has 32 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 269280.

The previous prime is 677533. The next prime is 677539. The reversal of 677534 is 435776.

It is a self number, because there is not a number n which added to its sum of digits gives 677534.

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 677534.

It is not an unprimeable number, because it can be changed into a prime (677531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6527 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁶⁷⁷⁵³⁴ is an apocalyptic number.

677534 is a deficient number, since it is larger than the sum of its proper divisors (580450).

677534 is a wasteful number, since it uses less digits than its factorization.

677534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152.

The product of its digits is 17640, while the sum is 32.

The square root of 677534 is about 823.1245349277. The cubic root of 677534 is about 87.8301648627.

The spelling of 677534 in words is "six hundred seventy-seven thousand, five hundred thirty-four".