745812433 has 2 divisors, whose sum is σ = 745812434. Its totient is φ = 745812432.

The previous prime is 745812383. The next prime is 745812439. The reversal of 745812433 is 334218547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727219089 + 18593344 = 26967^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 745812433 - 2²⁹ = 208941521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745812392 and 745812401.

It is not a weakly prime, because it can be changed into another prime (745812439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372906216 + 372906217.

It is an arithmetic number, because the mean of its divisors is an integer number (372906217).

Almost surely, 2^745812433 is an apocalyptic number.

It is an amenable number.

745812433 is a deficient number, since it is larger than the sum of its proper divisors (1).

745812433 is an equidigital number, since it uses as much as digits as its factorization.

745812433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 745812433 is about 27309.5666937431. The cubic root of 745812433 is about 906.8661807875.

It can be divided in two parts, 7458 and 12433, that added together give a palindrome (19891).

The spelling of 745812433 in words is "seven hundred forty-five million, eight hundred twelve thousand, four hundred thirty-three".