677738 has 8 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 335596.

The previous prime is 677737. The next prime is 677767. The reversal of 677738 is 837776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 677738.

It is not an unprimeable number, because it can be changed into a prime (677737) 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 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 1797.

It is an arithmetic number, because the mean of its divisors is an integer number (128304).

2⁶⁷⁷⁷³⁸ is an apocalyptic number.

677738 is a deficient number, since it is larger than the sum of its proper divisors (348694).

677738 is a wasteful number, since it uses less digits than its factorization.

677738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276.

The product of its digits is 49392, while the sum is 38.

The square root of 677738 is about 823.2484436669. The cubic root of 677738 is about 87.8389789619.

Adding to 677738 its sum of digits (38), we get a palindrome (677776).

The spelling of 677738 in words is "six hundred seventy-seven thousand, seven hundred thirty-eight".