681030274 has 16 divisors (see below), whose sum is σ = 1049163840. Its totient is φ = 331423600.

The previous prime is 681030269. The next prime is 681030313. The reversal of 681030274 is 472030186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16654 + ... + 40489.

It is an arithmetic number, because the mean of its divisors is an integer number (65572740).

Almost surely, 2^681030274 is an apocalyptic number.

681030274 is a deficient number, since it is larger than the sum of its proper divisors (368133566).

681030274 is a wasteful number, since it uses less digits than its factorization.

681030274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57305.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 681030274 is about 26096.5567460537. The cubic root of 681030274 is about 879.8098220232.

The spelling of 681030274 in words is "six hundred eighty-one million, thirty thousand, two hundred seventy-four".