745028287 has 2 divisors, whose sum is σ = 745028288. Its totient is φ = 745028286.

The previous prime is 745028257. The next prime is 745028293. The reversal of 745028287 is 782820547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745028287 - 2²³ = 736639679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745028227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372514143 + 372514144.

It is an arithmetic number, because the mean of its divisors is an integer number (372514144).

Almost surely, 2^745028287 is an apocalyptic number.

745028287 is a deficient number, since it is larger than the sum of its proper divisors (1).

745028287 is an equidigital number, since it uses as much as digits as its factorization.

745028287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 745028287 is about 27295.2063007408. The cubic root of 745028287 is about 906.5482434508.

The spelling of 745028287 in words is "seven hundred forty-five million, twenty-eight thousand, two hundred eighty-seven".