672043766730 has 64 divisors (see below), whose sum is σ = 1873538443008. Its totient is φ = 151091804160.

The previous prime is 672043766711. The next prime is 672043766741. The reversal of 672043766730 is 37667340276.

It is a happy number.

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, 26218407 + ... + 26244026.

It is an arithmetic number, because the mean of its divisors is an integer number (29274038172).

Almost surely, 2^672043766730 is an apocalyptic number.

672043766730 is an abundant number, since it is smaller than the sum of its proper divisors (1201494676278).

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

672043766730 is a wasteful number, since it uses less digits than its factorization.

672043766730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52462511.

The product of its (nonzero) digits is 5334336, while the sum is 51.

The spelling of 672043766730 in words is "six hundred seventy-two billion, forty-three million, seven hundred sixty-six thousand, seven hundred thirty".