682747794 has 12 divisors (see below), whose sum is σ = 1479286926. Its totient is φ = 227582592.

The previous prime is 682747781. The next prime is 682747799. The reversal of 682747794 is 497747286.

682747794 is a `hidden beast` number, since 6 + 82 + 7 + 477 + 94 = 666.

682747794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 468506025 + 214241769 = 21645^2 + 14637^2 .

It is a super-2 number, since 2×682747794² = 932289100423732872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 682747794.

It is not an unprimeable number, because it can be changed into a prime (682747799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18965199 + ... + 18965234.

Almost surely, 2^682747794 is an apocalyptic number.

682747794 is an abundant number, since it is smaller than the sum of its proper divisors (796539132).

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

682747794 is a wasteful number, since it uses less digits than its factorization.

682747794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37930441 (or 37930438 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 682747794 is about 26129.4430480253. The cubic root of 682747794 is about 880.5488114164.

It can be divided in two parts, 682 and 747794, that added together give a triangular number (748476 = T₁₂₂₃).

The spelling of 682747794 in words is "six hundred eighty-two million, seven hundred forty-seven thousand, seven hundred ninety-four".