6731220783 has 32 divisors (see below), whose sum is σ = 10311874560. Its totient is φ = 3825934560.

The previous prime is 6731220773. The next prime is 6731220799. The reversal of 6731220783 is 3870221376.

It is not a de Polignac number, because 6731220783 - 2⁵ = 6731220751 is a prime.

It is a super-2 number, since 2×6731220783² = 90618666458982266178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6731220773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3715948 + ... + 3717758.

It is an arithmetic number, because the mean of its divisors is an integer number (322246080).

Almost surely, 2^6731220783 is an apocalyptic number.

6731220783 is a deficient number, since it is larger than the sum of its proper divisors (3580653777).

6731220783 is a wasteful number, since it uses less digits than its factorization.

6731220783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 6731220783 is about 82044.0173504443. The cubic root of 6731220783 is about 1888.1273299070.

The spelling of 6731220783 in words is "six billion, seven hundred thirty-one million, two hundred twenty thousand, seven hundred eighty-three".