745300637 has 2 divisors, whose sum is σ = 745300638. Its totient is φ = 745300636.

The previous prime is 745300607. The next prime is 745300649. The reversal of 745300637 is 736003547.

It is a happy number.

745300637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734084836 + 11215801 = 27094^2 + 3349^2 .

It is an emirp because it is prime and its reverse (736003547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745300637 - 2²⁴ = 728523421 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 745300597 and 745300606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745300607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372650318 + 372650319.

It is an arithmetic number, because the mean of its divisors is an integer number (372650319).

Almost surely, 2^745300637 is an apocalyptic number.

It is an amenable number.

745300637 is a deficient number, since it is larger than the sum of its proper divisors (1).

745300637 is an equidigital number, since it uses as much as digits as its factorization.

745300637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 745300637 is about 27300.1948161547. The cubic root of 745300637 is about 906.6586948880.

The spelling of 745300637 in words is "seven hundred forty-five million, three hundred thousand, six hundred thirty-seven".