680974067 has 4 divisors (see below), whose sum is σ = 681802320. Its totient is φ = 680145816.

The previous prime is 680974057. The next prime is 680974069. The reversal of 680974067 is 760479086.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 680974067 - 2²⁸ = 412538611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680974069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412892 + ... + 414537.

It is an arithmetic number, because the mean of its divisors is an integer number (170450580).

Almost surely, 2^680974067 is an apocalyptic number.

680974067 is a deficient number, since it is larger than the sum of its proper divisors (828253).

680974067 is an equidigital number, since it uses as much as digits as its factorization.

680974067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828252.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 680974067 is about 26095.4798193097. The cubic root of 680974067 is about 879.7856171123.

The spelling of 680974067 in words is "six hundred eighty million, nine hundred seventy-four thousand, sixty-seven".