73372297 has 2 divisors, whose sum is σ = 73372298. Its totient is φ = 73372296.

The previous prime is 73372261. The next prime is 73372307. The reversal of 73372297 is 79227337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 1190281 = 8496^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 73372297 - 2²³ = 64983689 is a prime.

It is not a weakly prime, because it can be changed into another prime (73372237) 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, 36686148 + 36686149.

It is an arithmetic number, because the mean of its divisors is an integer number (36686149).

Almost surely, 2^73372297 is an apocalyptic number.

It is an amenable number.

73372297 is a deficient number, since it is larger than the sum of its proper divisors (1).

73372297 is an equidigital number, since it uses as much as digits as its factorization.

73372297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 40.

The square root of 73372297 is about 8565.7630716708. The cubic root of 73372297 is about 418.6431971773.

The spelling of 73372297 in words is "seventy-three million, three hundred seventy-two thousand, two hundred ninety-seven".