7072173 has 12 divisors (see below), whose sum is σ = 10321948. Its totient is φ = 4665600.

The previous prime is 7072171. The next prime is 7072183. The reversal of 7072173 is 3712707.

7072173 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5846724 + 1225449 = 2418^2 + 1107^2 .

It is not a de Polignac number, because 7072173 - 2¹ = 7072171 is a prime.

It is an Ulam number.

It is a Duffinian number.

7072173 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3178 + ... + 4923.

Almost surely, 2^7072173 is an apocalyptic number.

It is an amenable number.

7072173 is a deficient number, since it is larger than the sum of its proper divisors (3249775).

7072173 is a wasteful number, since it uses less digits than its factorization.

7072173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8201 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 7072173 is about 2659.3557490490. The cubic root of 7072173 is about 191.9483096529.

The spelling of 7072173 in words is "seven million, seventy-two thousand, one hundred seventy-three".