679734 has 24 divisors (see below), whose sum is σ = 1607112. Its totient is φ = 205920.

The previous prime is 679733. The next prime is 679741. The reversal of 679734 is 437976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1519 + ... + 1914.

It is an arithmetic number, because the mean of its divisors is an integer number (66963).

2⁶⁷⁹⁷³⁴ is an apocalyptic number.

679734 is an abundant number, since it is smaller than the sum of its proper divisors (927378).

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

679734 is a wasteful number, since it uses less digits than its factorization.

679734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452 (or 3449 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 679734 is about 824.4598231570. The cubic root of 679734 is about 87.9251257056.

It can be divided in two parts, 67 and 9734, that added together give a square (9801 = 99²).

The spelling of 679734 in words is "six hundred seventy-nine thousand, seven hundred thirty-four".