83730433 has 2 divisors, whose sum is σ = 83730434. Its totient is φ = 83730432.

The previous prime is 83730391. The next prime is 83730461. The reversal of 83730433 is 33403738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60575089 + 23155344 = 7783^2 + 4812^2 .

It is a cyclic number.

It is not a de Polignac number, because 83730433 - 2²¹ = 81633281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83730395 and 83730404.

It is not a weakly prime, because it can be changed into another prime (83730233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41865216 + 41865217.

It is an arithmetic number, because the mean of its divisors is an integer number (41865217).

Almost surely, 2^83730433 is an apocalyptic number.

It is an amenable number.

83730433 is a deficient number, since it is larger than the sum of its proper divisors (1).

83730433 is an equidigital number, since it uses as much as digits as its factorization.

83730433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 83730433 is about 9150.4334869994. The cubic root of 83730433 is about 437.4829302728.

The spelling of 83730433 in words is "eighty-three million, seven hundred thirty thousand, four hundred thirty-three".