680068142 has 16 divisors (see below), whose sum is σ = 1134010752. Its totient is φ = 303752160.

The previous prime is 680068141. The next prime is 680068201. The reversal of 680068142 is 241860086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680068141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421073 + ... + 422684.

It is an arithmetic number, because the mean of its divisors is an integer number (70875672).

Almost surely, 2^680068142 is an apocalyptic number.

680068142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

680068142 is a deficient number, since it is larger than the sum of its proper divisors (453942610).

680068142 is a wasteful number, since it uses less digits than its factorization.

680068142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843803.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 680068142 is about 26078.1161512867. The cubic root of 680068142 is about 879.3953068591.

The spelling of 680068142 in words is "six hundred eighty million, sixty-eight thousand, one hundred forty-two".