3821746731 has 16 divisors (see below), whose sum is σ = 5595725568. Its totient is φ = 2300868000.

The previous prime is 3821746717. The next prime is 3821746751. The reversal of 3821746731 is 1376471283.

3821746731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3821746731 - 2⁵ = 3821746699 is a prime.

It is a super-2 number, since 2×3821746731² = 29211496151818372722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3821746751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378496 + ... + 388461.

It is an arithmetic number, because the mean of its divisors is an integer number (349732848).

Almost surely, 2^3821746731 is an apocalyptic number.

3821746731 is a deficient number, since it is larger than the sum of its proper divisors (1773978837).

3821746731 is a wasteful number, since it uses less digits than its factorization.

3821746731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767122.

The product of its digits is 169344, while the sum is 42.

The square root of 3821746731 is about 61820.2776684156. The cubic root of 3821746731 is about 1563.4618947298.

It can be divided in two parts, 38217 and 46731, that added together give a palindrome (84948).

The spelling of 3821746731 in words is "three billion, eight hundred twenty-one million, seven hundred forty-six thousand, seven hundred thirty-one".