73133197 has 2 divisors, whose sum is σ = 73133198. Its totient is φ = 73133196.

The previous prime is 73133189. The next prime is 73133213. The reversal of 73133197 is 79133137.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71334916 + 1798281 = 8446^2 + 1341^2 .

It is an emirp because it is prime and its reverse (79133137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73133197 - 2³ = 73133189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73133107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36566598 + 36566599.

It is an arithmetic number, because the mean of its divisors is an integer number (36566599).

Almost surely, 2^73133197 is an apocalyptic number.

It is an amenable number.

73133197 is a deficient number, since it is larger than the sum of its proper divisors (1).

73133197 is an equidigital number, since it uses as much as digits as its factorization.

73133197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11907, while the sum is 34.

The square root of 73133197 is about 8551.7949577852. The cubic root of 73133197 is about 418.1879548951.

The spelling of 73133197 in words is "seventy-three million, one hundred thirty-three thousand, one hundred ninety-seven".