7200620173 has 2 divisors, whose sum is σ = 7200620174. Its totient is φ = 7200620172.

The previous prime is 7200620153. The next prime is 7200620183. The reversal of 7200620173 is 3710260027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4517587369 + 2683032804 = 67213^2 + 51798^2 .

It is a cyclic number.

It is not a de Polignac number, because 7200620173 - 2²¹ = 7198523021 is a prime.

It is a super-3 number, since 3×7200620173³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7200620153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600310086 + 3600310087.

It is an arithmetic number, because the mean of its divisors is an integer number (3600310087).

Almost surely, 2^7200620173 is an apocalyptic number.

It is an amenable number.

7200620173 is a deficient number, since it is larger than the sum of its proper divisors (1).

7200620173 is an equidigital number, since it uses as much as digits as its factorization.

7200620173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 7200620173 is about 84856.4680681443. The cubic root of 7200620173 is about 1931.0342093277.

The spelling of 7200620173 in words is "seven billion, two hundred million, six hundred twenty thousand, one hundred seventy-three".