6723492747 has 4 divisors (see below), whose sum is σ = 8964657000. Its totient is φ = 4482328496.

The previous prime is 6723492719. The next prime is 6723492757. The reversal of 6723492747 is 7472943276.

It is a happy number.

6723492747 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 6723492747 - 2⁸ = 6723492491 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 6723492747.

It is not an unprimeable number, because it can be changed into a prime (6723492757) 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, 1120582122 + ... + 1120582127.

It is an arithmetic number, because the mean of its divisors is an integer number (2241164250).

Almost surely, 2^6723492747 is an apocalyptic number.

6723492747 is a deficient number, since it is larger than the sum of its proper divisors (2241164253).

6723492747 is a wasteful number, since it uses less digits than its factorization.

6723492747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241164252.

The product of its digits is 3556224, while the sum is 51.

The square root of 6723492747 is about 81996.9069355668. The cubic root of 6723492747 is about 1887.4044742206.

The spelling of 6723492747 in words is "six billion, seven hundred twenty-three million, four hundred ninety-two thousand, seven hundred forty-seven".