1679706768 has 40 divisors (see below), whose sum is σ = 4356158688. Its totient is φ = 557719552.

The previous prime is 1679706757. The next prime is 1679706781. The reversal of 1679706768 is 8676079761.

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, 55746 + ... + 80417.

Almost surely, 2^1679706768 is an apocalyptic number.

It is an amenable number.

1679706768 is an abundant number, since it is smaller than the sum of its proper divisors (2676451920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1679706768 is a wasteful number, since it uses less digits than its factorization.

1679706768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136431 (or 136425 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 57.

The square root of 1679706768 is about 40984.2258436096. The cubic root of 1679706768 is about 1188.7152219202.

The spelling of 1679706768 in words is "one billion, six hundred seventy-nine million, seven hundred six thousand, seven hundred sixty-eight".