73273237 has 2 divisors, whose sum is σ = 73273238. Its totient is φ = 73273236.

The previous prime is 73273201. The next prime is 73273241. The reversal of 73273237 is 73237237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73034116 + 239121 = 8546^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 73273237 - 2¹⁵ = 73240469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73273267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36636618 + 36636619.

It is an arithmetic number, because the mean of its divisors is an integer number (36636619).

Almost surely, 2^73273237 is an apocalyptic number.

It is an amenable number.

73273237 is a deficient number, since it is larger than the sum of its proper divisors (1).

73273237 is an equidigital number, since it uses as much as digits as its factorization.

73273237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 34.

The square root of 73273237 is about 8559.9787967027. The cubic root of 73273237 is about 418.4547088147.

The spelling of 73273237 in words is "seventy-three million, two hundred seventy-three thousand, two hundred thirty-seven".