745001893 has 2 divisors, whose sum is σ = 745001894. Its totient is φ = 745001892.

The previous prime is 745001879. The next prime is 745001899. The reversal of 745001893 is 398100547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639179524 + 105822369 = 25282^2 + 10287^2 .

It is a cyclic number.

It is not a de Polignac number, because 745001893 - 2⁵ = 745001861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745001899) 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, 372500946 + 372500947.

It is an arithmetic number, because the mean of its divisors is an integer number (372500947).

Almost surely, 2^745001893 is an apocalyptic number.

It is an amenable number.

745001893 is a deficient number, since it is larger than the sum of its proper divisors (1).

745001893 is an equidigital number, since it uses as much as digits as its factorization.

745001893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 745001893 is about 27294.7228049673. The cubic root of 745001893 is about 906.5375379437.

The spelling of 745001893 in words is "seven hundred forty-five million, one thousand, eight hundred ninety-three".