3731056681 has 8 divisors (see below), whose sum is σ = 4077023328. Its totient is φ = 3386220000.

The previous prime is 3731056639. The next prime is 3731056699. The reversal of 3731056681 is 1866501373.

It is a happy number.

3731056681 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3731056681 - 2⁹ = 3731056169 is a prime.

It is a super-2 number, since 2×3731056681² = 27841567913669471522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3731006681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275575 + ... + 288796.

It is an arithmetic number, because the mean of its divisors is an integer number (509627916).

Almost surely, 2^3731056681 is an apocalyptic number.

It is an amenable number.

3731056681 is a deficient number, since it is larger than the sum of its proper divisors (345966647).

3731056681 is a wasteful number, since it uses less digits than its factorization.

3731056681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564983.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3731056681 is about 61082.3761898635. The cubic root of 3731056681 is about 1550.9957778974.

The spelling of 3731056681 in words is "three billion, seven hundred thirty-one million, fifty-six thousand, six hundred eighty-one".