680019934 has 16 divisors (see below), whose sum is σ = 1113179760. Its totient is φ = 308983360.

The previous prime is 680019889. The next prime is 680019979. The reversal of 680019934 is 439910086.

It is an interprime number because it is at equal distance from previous prime (680019889) and next prime (680019979).

It is a super-2 number, since 2×680019934² = 924854221274728712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85812 + ... + 93400.

It is an arithmetic number, because the mean of its divisors is an integer number (69573735).

Almost surely, 2^680019934 is an apocalyptic number.

680019934 is a deficient number, since it is larger than the sum of its proper divisors (433159826).

680019934 is a wasteful number, since it uses less digits than its factorization.

680019934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11675.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 680019934 is about 26077.1918350117. The cubic root of 680019934 is about 879.3745271322.

The spelling of 680019934 in words is "six hundred eighty million, nineteen thousand, nine hundred thirty-four".