6673400731 has 4 divisors (see below), whose sum is σ = 6673594392. Its totient is φ = 6673207072.

The previous prime is 6673400719. The next prime is 6673400737. The reversal of 6673400731 is 1370043766.

6673400731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6673400731 - 2⁷ = 6673400603 is a prime.

It is a super-2 number, since 2×6673400731² = 89068554633022668722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6673400737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29566 + ... + 119251.

It is an arithmetic number, because the mean of its divisors is an integer number (1668398598).

Almost surely, 2^6673400731 is an apocalyptic number.

6673400731 is a deficient number, since it is larger than the sum of its proper divisors (193661).

6673400731 is a wasteful number, since it uses less digits than its factorization.

6673400731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193660.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 6673400731 is about 81690.8852381953. The cubic root of 6673400731 is about 1882.7055442288.

The spelling of 6673400731 in words is "six billion, six hundred seventy-three million, four hundred thousand, seven hundred thirty-one".