934723681 has 4 divisors (see below), whose sum is σ = 934877700. Its totient is φ = 934569664.

The previous prime is 934723667. The next prime is 934723717. The reversal of 934723681 is 186327439.

934723681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 275261281 + 659462400 = 16591^2 + 25680^2 .

It is a cyclic number.

It is not a de Polignac number, because 934723681 - 2⁷ = 934723553 is a prime.

It is a super-2 number, since 2×934723681² = 1747416719644379522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (934720681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67516 + ... + 80173.

It is an arithmetic number, because the mean of its divisors is an integer number (233719425).

Almost surely, 2^934723681 is an apocalyptic number.

It is an amenable number.

934723681 is a deficient number, since it is larger than the sum of its proper divisors (154019).

934723681 is a wasteful number, since it uses less digits than its factorization.

934723681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154018.

The product of its digits is 217728, while the sum is 43.

The square root of 934723681 is about 30573.2510701757. The cubic root of 934723681 is about 977.7498286743.

The spelling of 934723681 in words is "nine hundred thirty-four million, seven hundred twenty-three thousand, six hundred eighty-one".