6723512747 has 8 divisors (see below), whose sum is σ = 7699796736. Its totient is φ = 5751174312.

The previous prime is 6723512711. The next prime is 6723512749. The reversal of 6723512747 is 7472153276.

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 6723512747 - 2²⁰ = 6722464171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6723512698 and 6723512707.

It is not an unprimeable number, because it can be changed into a prime (6723512749) 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, 982733 + ... + 989550.

It is an arithmetic number, because the mean of its divisors is an integer number (962474592).

Almost surely, 2^6723512747 is an apocalyptic number.

6723512747 is a deficient number, since it is larger than the sum of its proper divisors (976283989).

6723512747 is a wasteful number, since it uses less digits than its factorization.

6723512747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972777.

The product of its digits is 493920, while the sum is 44.

The square root of 6723512747 is about 81997.0288912958. The cubic root of 6723512747 is about 1887.4063456711.

The spelling of 6723512747 in words is "six billion, seven hundred twenty-three million, five hundred twelve thousand, seven hundred forty-seven".