6729538473 has 24 divisors (see below), whose sum is σ = 11171160000. Its totient is φ = 3823961184.

The previous prime is 6729538463. The next prime is 6729538531. The reversal of 6729538473 is 3748359276.

6729538473 is a `hidden beast` number, since 67 + 2 + 9 + 538 + 47 + 3 = 666.

It is not a de Polignac number, because 6729538473 - 2⁴ = 6729538457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6729538423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287098 + ... + 309651.

It is an arithmetic number, because the mean of its divisors is an integer number (465465000).

Almost surely, 2^6729538473 is an apocalyptic number.

6729538473 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6729538473 is a deficient number, since it is larger than the sum of its proper divisors (4441621527).

6729538473 is a wasteful number, since it uses less digits than its factorization.

6729538473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596941 (or 596938 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 6729538473 is about 82033.7642254700. The cubic root of 6729538473 is about 1887.9700191580.

The spelling of 6729538473 in words is "six billion, seven hundred twenty-nine million, five hundred thirty-eight thousand, four hundred seventy-three".