73739273 has 2 divisors, whose sum is σ = 73739274. Its totient is φ = 73739272.

The previous prime is 73739249. The next prime is 73739293. The reversal of 73739273 is 37293737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73736569 + 2704 = 8587^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 73739273 - 2¹² = 73735177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73739273.

It is not a weakly prime, because it can be changed into another prime (73739213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36869636 + 36869637.

It is an arithmetic number, because the mean of its divisors is an integer number (36869637).

Almost surely, 2^73739273 is an apocalyptic number.

It is an amenable number.

73739273 is a deficient number, since it is larger than the sum of its proper divisors (1).

73739273 is an equidigital number, since it uses as much as digits as its factorization.

73739273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 166698, while the sum is 41.

The square root of 73739273 is about 8587.1574458606. The cubic root of 73739273 is about 419.3399932356.

The spelling of 73739273 in words is "seventy-three million, seven hundred thirty-nine thousand, two hundred seventy-three".