7072100688173 has 8 divisors (see below), whose sum is σ = 7206535905048. Its totient is φ = 6937702484544.

The previous prime is 7072100688157. The next prime is 7072100688197. The reversal of 7072100688173 is 3718860012707.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5307618845929 + 1764481842244 = 2303827^2 + 1328338^2 .

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 7072100688173 - 2⁴ = 7072100688157 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 (7072100682173) 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, 8867390 + ... + 9631967.

It is an arithmetic number, because the mean of its divisors is an integer number (900816988131).

Almost surely, 2^{7072100688173} is an apocalyptic number.

It is an amenable number.

7072100688173 is a deficient number, since it is larger than the sum of its proper divisors (134435216875).

7072100688173 is a wasteful number, since it uses less digits than its factorization.

7072100688173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18506623.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 7072100688173 in words is "seven trillion, seventy-two billion, one hundred million, six hundred eighty-eight thousand, one hundred seventy-three".