73192213 has 2 divisors, whose sum is σ = 73192214. Its totient is φ = 73192212.

The previous prime is 73192183. The next prime is 73192241. The reversal of 73192213 is 31229137.

It is an a-pointer prime, because the next prime (73192241) can be obtained adding 73192213 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 908209 = 8502^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 73192213 - 2⁵ = 73192181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73192243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36596106 + 36596107.

It is an arithmetic number, because the mean of its divisors is an integer number (36596107).

Almost surely, 2^73192213 is an apocalyptic number.

It is an amenable number.

73192213 is a deficient number, since it is larger than the sum of its proper divisors (1).

73192213 is an equidigital number, since it uses as much as digits as its factorization.

73192213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 28.

The square root of 73192213 is about 8555.2447656394. The cubic root of 73192213 is about 418.3004124645.

The spelling of 73192213 in words is "seventy-three million, one hundred ninety-two thousand, two hundred thirteen".