681462927 has 48 divisors (see below), whose sum is σ = 1035914880. Its totient is φ = 431308800.

The previous prime is 681462893. The next prime is 681462931. The reversal of 681462927 is 729264186.

It is a happy number.

681462927 is a `hidden beast` number, since 6 + 8 + 14 + 629 + 2 + 7 = 666.

681462927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 681462927 - 2¹⁰ = 681461903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681462997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2827527 + ... + 2827767.

It is an arithmetic number, because the mean of its divisors is an integer number (21581560).

Almost surely, 2^681462927 is an apocalyptic number.

681462927 is a deficient number, since it is larger than the sum of its proper divisors (354451953).

681462927 is a wasteful number, since it uses less digits than its factorization.

681462927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 461 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 681462927 is about 26104.8448951531. The cubic root of 681462927 is about 879.9960945935.

The spelling of 681462927 in words is "six hundred eighty-one million, four hundred sixty-two thousand, nine hundred twenty-seven".