681364062 has 20 divisors (see below), whose sum is σ = 1526760576. Its totient is φ = 227121300.

The previous prime is 681364049. The next prime is 681364091. The reversal of 681364062 is 260463186.

681364062 is a `hidden beast` number, since 6 + 8 + 1 + 3 + 640 + 6 + 2 = 666.

681364062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2102814 + ... + 2103137.

Almost surely, 2^681364062 is an apocalyptic number.

681364062 is an abundant number, since it is smaller than the sum of its proper divisors (845396514).

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

681364062 is a wasteful number, since it uses less digits than its factorization.

681364062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205965 (or 4205956 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 681364062 is about 26102.9512124587. The cubic root of 681364062 is about 879.9535366308.

The spelling of 681364062 in words is "six hundred eighty-one million, three hundred sixty-four thousand, sixty-two".