73143337 has 2 divisors, whose sum is σ = 73143338. Its totient is φ = 73143336.

The previous prime is 73143319. The next prime is 73143347. The reversal of 73143337 is 73334137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 15139881 = 7616^2 + 3891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73143337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73143299 and 73143308.

It is not a weakly prime, because it can be changed into another prime (73143347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36571668 + 36571669.

It is an arithmetic number, because the mean of its divisors is an integer number (36571669).

Almost surely, 2^73143337 is an apocalyptic number.

It is an amenable number.

73143337 is a deficient number, since it is larger than the sum of its proper divisors (1).

73143337 is an equidigital number, since it uses as much as digits as its factorization.

73143337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 31.

The square root of 73143337 is about 8552.3877952301. The cubic root of 73143337 is about 418.2072814119.

The spelling of 73143337 in words is "seventy-three million, one hundred forty-three thousand, three hundred thirty-seven".