680074 has 4 divisors (see below), whose sum is σ = 1020114. Its totient is φ = 340036.

The previous prime is 680059. The next prime is 680077. The reversal of 680074 is 470086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470086 = 2 ⋅235043.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 154449 = 725^2 + 393^2 .

It is not an unprimeable number, because it can be changed into a prime (680077) by changing a digit.

680074 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170017 + ... + 170020.

2⁶⁸⁰⁰⁷⁴ is an apocalyptic number.

680074 is a deficient number, since it is larger than the sum of its proper divisors (340040).

680074 is a wasteful number, since it uses less digits than its factorization.

680074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340039.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 680074 is about 824.6659929935. The cubic root of 680074 is about 87.9397831843.

The spelling of 680074 in words is "six hundred eighty thousand, seventy-four".