680075349 has 4 divisors (see below), whose sum is σ = 906767136. Its totient is φ = 453383564.

The previous prime is 680075329. The next prime is 680075353. The reversal of 680075349 is 943570086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680075349 - 2⁸ = 680075093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680075349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680075329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113345889 + ... + 113345894.

It is an arithmetic number, because the mean of its divisors is an integer number (226691784).

Almost surely, 2^680075349 is an apocalyptic number.

It is an amenable number.

680075349 is a deficient number, since it is larger than the sum of its proper divisors (226691787).

680075349 is a wasteful number, since it uses less digits than its factorization.

680075349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226691786.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 680075349 is about 26078.2543319142. The cubic root of 680075349 is about 879.3984133025.

The spelling of 680075349 in words is "six hundred eighty million, seventy-five thousand, three hundred forty-nine".