6720322043634 has 16 divisors (see below), whose sum is σ = 13440811694688. Its totient is φ = 2240079413312.

The previous prime is 6720322043623. The next prime is 6720322043707. The reversal of 6720322043634 is 4363402230276.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6459372 + ... + 7427255.

It is an arithmetic number, because the mean of its divisors is an integer number (840050730918).

Almost surely, 2^{6720322043634} is an apocalyptic number.

6720322043634 is an abundant number, since it is smaller than the sum of its proper divisors (6720489651054).

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

6720322043634 is a wasteful number, since it uses less digits than its factorization.

6720322043634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13967289.

The product of its (nonzero) digits is 870912, while the sum is 42.

The spelling of 6720322043634 in words is "six trillion, seven hundred twenty billion, three hundred twenty-two million, forty-three thousand, six hundred thirty-four".