726632612173 has 8 divisors (see below), whose sum is σ = 807770249216. Its totient is φ = 649101092400.

The previous prime is 726632612171. The next prime is 726632612203. The reversal of 726632612173 is 371216236627.

726632612173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726632612173 - 2¹ = 726632612171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726632612171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901528893 + ... + 901529698.

It is an arithmetic number, because the mean of its divisors is an integer number (100971281152).

Almost surely, 2^726632612173 is an apocalyptic number.

It is an amenable number.

726632612173 is a deficient number, since it is larger than the sum of its proper divisors (81137637043).

726632612173 is a wasteful number, since it uses less digits than its factorization.

726632612173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803058635.

The product of its digits is 762048, while the sum is 46.

The spelling of 726632612173 in words is "seven hundred twenty-six billion, six hundred thirty-two million, six hundred twelve thousand, one hundred seventy-three".