7247208173 has 2 divisors, whose sum is σ = 7247208174. Its totient is φ = 7247208172.

The previous prime is 7247208131. The next prime is 7247208217. The reversal of 7247208173 is 3718027427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6272956804 + 974251369 = 79202^2 + 31213^2 .

It is a cyclic number.

It is not a de Polignac number, because 7247208173 - 2²⁴ = 7230430957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7247208173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7247208473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3623604086 + 3623604087.

It is an arithmetic number, because the mean of its divisors is an integer number (3623604087).

Almost surely, 2^7247208173 is an apocalyptic number.

It is an amenable number.

7247208173 is a deficient number, since it is larger than the sum of its proper divisors (1).

7247208173 is an equidigital number, since it uses as much as digits as its factorization.

7247208173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 7247208173 is about 85130.5360784249. The cubic root of 7247208173 is about 1935.1898558225.

The spelling of 7247208173 in words is "seven billion, two hundred forty-seven million, two hundred eight thousand, one hundred seventy-three".