681014673 has 12 divisors (see below), whose sum is σ = 989376180. Its totient is φ = 451384416.

The previous prime is 681014671. The next prime is 681014689. The reversal of 681014673 is 376410186.

681014673 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 2 ways, for example, as 385415424 + 295599249 = 19632^2 + 17193^2 .

It is not a de Polignac number, because 681014673 - 2¹ = 681014671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (681014671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217138 + ... + 220251.

It is an arithmetic number, because the mean of its divisors is an integer number (82448015).

Almost surely, 2^681014673 is an apocalyptic number.

It is an amenable number.

681014673 is a deficient number, since it is larger than the sum of its proper divisors (308361507).

681014673 is a wasteful number, since it uses less digits than its factorization.

681014673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437568 (or 437565 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 681014673 is about 26096.2578351763. The cubic root of 681014673 is about 879.8031037620.

The spelling of 681014673 in words is "six hundred eighty-one million, fourteen thousand, six hundred seventy-three".