6723705331 has 4 divisors (see below), whose sum is σ = 7684234672. Its totient is φ = 5763175992.

The previous prime is 6723705323. The next prime is 6723705347. The reversal of 6723705331 is 1335073276.

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

It is not a de Polignac number, because 6723705331 - 2³ = 6723705323 is a prime.

It is a super-2 number, since 2×6723705331² = 90416426756235639122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6723705631) 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 3 ways as a sum of consecutive naturals, for example, 480264660 + ... + 480264673.

It is an arithmetic number, because the mean of its divisors is an integer number (1921058668).

Almost surely, 2^6723705331 is an apocalyptic number.

6723705331 is a deficient number, since it is larger than the sum of its proper divisors (960529341).

6723705331 is an equidigital number, since it uses as much as digits as its factorization.

6723705331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960529340.

The product of its (nonzero) digits is 79380, while the sum is 37.

The square root of 6723705331 is about 81998.2032181194. The cubic root of 6723705331 is about 1887.4243660525.

It can be divided in two parts, 672 and 3705331, that added together give a triangular number (3706003 = T₂₇₂₂).

The spelling of 6723705331 in words is "six billion, seven hundred twenty-three million, seven hundred five thousand, three hundred thirty-one".