680872942 has 8 divisors (see below), whose sum is σ = 1075062600. Its totient is φ = 322518744.

The previous prime is 680872939. The next prime is 680872963. The reversal of 680872942 is 249278086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 680872892 and 680872901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8958817 + ... + 8958892.

It is an arithmetic number, because the mean of its divisors is an integer number (134382825).

Almost surely, 2^680872942 is an apocalyptic number.

680872942 is a deficient number, since it is larger than the sum of its proper divisors (394189658).

680872942 is a wasteful number, since it uses less digits than its factorization.

680872942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17917730.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 680872942 is about 26093.5421512680. The cubic root of 680872942 is about 879.7420654172.

The spelling of 680872942 in words is "six hundred eighty million, eight hundred seventy-two thousand, nine hundred forty-two".