1679683712 has 128 divisors (see below), whose sum is σ = 3995136000. Its totient is φ = 688214016.

The previous prime is 1679683669. The next prime is 1679683781. The reversal of 1679683712 is 2173869761.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×1679683712³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3299714 + ... + 3300222.

It is an arithmetic number, because the mean of its divisors is an integer number (31212000).

Almost surely, 2^1679683712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1679683712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997568000).

1679683712 is an abundant number, since it is smaller than the sum of its proper divisors (2315452288).

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

1679683712 is a wasteful number, since it uses less digits than its factorization.

1679683712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 674 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 1679683712 is about 40983.9445636947. The cubic root of 1679683712 is about 1188.7097830455.

The spelling of 1679683712 in words is "one billion, six hundred seventy-nine million, six hundred eighty-three thousand, seven hundred twelve".