680937029 has 4 divisors (see below), whose sum is σ = 716775840. Its totient is φ = 645098220.

The previous prime is 680937007. The next prime is 680937053. The reversal of 680937029 is 920739086.

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 680937029 - 2²⁰ = 679888453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680937079) 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, 17919377 + ... + 17919414.

It is an arithmetic number, because the mean of its divisors is an integer number (179193960).

Almost surely, 2^680937029 is an apocalyptic number.

It is an amenable number.

680937029 is a deficient number, since it is larger than the sum of its proper divisors (35838811).

680937029 is a wasteful number, since it uses less digits than its factorization.

680937029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35838810.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 680937029 is about 26094.7701465255. The cubic root of 680937029 is about 879.7696663872.

The spelling of 680937029 in words is "six hundred eighty million, nine hundred thirty-seven thousand, twenty-nine".