680068029 has 16 divisors (see below), whose sum is σ = 938393280. Its totient is φ = 437748480.

The previous prime is 680068021. The next prime is 680068087. The reversal of 680068029 is 920860086.

It is not a de Polignac number, because 680068029 - 2³ = 680068021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680068021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8844 + ... + 37925.

It is an arithmetic number, because the mean of its divisors is an integer number (58649580).

Almost surely, 2^680068029 is an apocalyptic number.

It is an amenable number.

680068029 is a deficient number, since it is larger than the sum of its proper divisors (258325251).

680068029 is a wasteful number, since it uses less digits than its factorization.

680068029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46940.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 680068029 is about 26078.1139847191. The cubic root of 680068029 is about 879.3952581524.

The spelling of 680068029 in words is "six hundred eighty million, sixty-eight thousand, twenty-nine".