73399343 has 2 divisors, whose sum is σ = 73399344. Its totient is φ = 73399342.

The previous prime is 73399331. The next prime is 73399349. The reversal of 73399343 is 34399337.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73399343 - 2¹⁰ = 73398319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73399343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73399349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36699671 + 36699672.

It is an arithmetic number, because the mean of its divisors is an integer number (36699672).

Almost surely, 2^73399343 is an apocalyptic number.

73399343 is a deficient number, since it is larger than the sum of its proper divisors (1).

73399343 is an equidigital number, since it uses as much as digits as its factorization.

73399343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 41.

The square root of 73399343 is about 8567.3416530450. The cubic root of 73399343 is about 418.6946299998.

The spelling of 73399343 in words is "seventy-three million, three hundred ninety-nine thousand, three hundred forty-three".