1682974764 has 72 divisors (see below), whose sum is σ = 4427142720. Its totient is φ = 538628832.

The previous prime is 1682974763. The next prime is 1682974801. The reversal of 1682974764 is 4674792861.

1682974764 is a `hidden beast` number, since 1 + 6 + 82 + 97 + 476 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1682974764.

It is not an unprimeable number, because it can be changed into a prime (1682974763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82119 + ... + 100545.

Almost surely, 2^1682974764 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 1682974764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2213571360).

1682974764 is an abundant number, since it is smaller than the sum of its proper divisors (2744167956).

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

1682974764 is a wasteful number, since it uses less digits than its factorization.

1682974764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18539 (or 18534 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 1682974764 is about 41024.0754191974. The cubic root of 1682974764 is about 1189.4856341627.

The spelling of 1682974764 in words is "one billion, six hundred eighty-two million, nine hundred seventy-four thousand, seven hundred sixty-four".