681710374 has 16 divisors (see below), whose sum is σ = 1045579248. Its totient is φ = 333268992.

The previous prime is 681710371. The next prime is 681710377. The reversal of 681710374 is 473017186.

It is an interprime number because it is at equal distance from previous prime (681710371) and next prime (681710377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681710371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5067 + ... + 37270.

It is an arithmetic number, because the mean of its divisors is an integer number (65348703).

Almost surely, 2^681710374 is an apocalyptic number.

681710374 is a deficient number, since it is larger than the sum of its proper divisors (363868874).

681710374 is a wasteful number, since it uses less digits than its factorization.

681710374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42519.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 681710374 is about 26109.5839491938. The cubic root of 681710374 is about 880.1025939272.

The spelling of 681710374 in words is "six hundred eighty-one million, seven hundred ten thousand, three hundred seventy-four".