6723047240 has 128 divisors (see below), whose sum is σ = 18699932160. Its totient is φ = 2118334464.

The previous prime is 6723047231. The next prime is 6723047257. The reversal of 6723047240 is 427403276.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6723047240.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 844157 + ... + 852083.

It is an arithmetic number, because the mean of its divisors is an integer number (146093220).

Almost surely, 2^6723047240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6723047240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9349966080).

6723047240 is an abundant number, since it is smaller than the sum of its proper divisors (11976884920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6723047240 is a wasteful number, since it uses less digits than its factorization.

6723047240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8191 (or 8187 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 6723047240 is about 81994.1902819950. The cubic root of 6723047240 is about 1887.3627860430.

The spelling of 6723047240 in words is "six billion, seven hundred twenty-three million, forty-seven thousand, two hundred forty".