3268785731 has 8 divisors (see below), whose sum is σ = 3375740928. Its totient is φ = 3161925000.

The previous prime is 3268785719. The next prime is 3268785733. The reversal of 3268785731 is 1375878623.

It is a happy number.

3268785731 is digitally balanced in base 2, because in such base 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 3268785731 - 2¹⁴ = 3268769347 is a prime.

It is a super-2 number, since 2×3268785731² = 21369920310378408722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3268785731.

It is not an unprimeable number, because it can be changed into a prime (3268785733) 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, 50456 + ... + 95306.

It is an arithmetic number, because the mean of its divisors is an integer number (421967616).

Almost surely, 2^3268785731 is an apocalyptic number.

3268785731 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3268785731 is a deficient number, since it is larger than the sum of its proper divisors (106955197).

3268785731 is a wasteful number, since it uses less digits than its factorization.

3268785731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47233.

The product of its digits is 1693440, while the sum is 50.

The square root of 3268785731 is about 57173.2956108007. The cubic root of 3268785731 is about 1484.0965351759.

The spelling of 3268785731 in words is "three billion, two hundred sixty-eight million, seven hundred eighty-five thousand, seven hundred thirty-one".