6723663630 has 32 divisors (see below), whose sum is σ = 16693236000. Its totient is φ = 1731149952.

The previous prime is 6723663629. The next prime is 6723663647. The reversal of 6723663630 is 363663276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3863305 + ... + 3865044.

It is an arithmetic number, because the mean of its divisors is an integer number (521663625).

Almost surely, 2^6723663630 is an apocalyptic number.

6723663630 is an abundant number, since it is smaller than the sum of its proper divisors (9969572370).

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

6723663630 is a wasteful number, since it uses less digits than its factorization.

6723663630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7728388.

The product of its (nonzero) digits is 489888, while the sum is 42.

The square root of 6723663630 is about 81997.9489377631. The cubic root of 6723663630 is about 1887.4204640549.

The spelling of 6723663630 in words is "six billion, seven hundred twenty-three million, six hundred sixty-three thousand, six hundred thirty".