745625791 has 2 divisors, whose sum is σ = 745625792. Its totient is φ = 745625790.

The previous prime is 745625773. The next prime is 745625801. The reversal of 745625791 is 197526547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745625791 - 2⁷ = 745625663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745625701) 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, 372812895 + 372812896.

It is an arithmetic number, because the mean of its divisors is an integer number (372812896).

Almost surely, 2^745625791 is an apocalyptic number.

745625791 is a deficient number, since it is larger than the sum of its proper divisors (1).

745625791 is an equidigital number, since it uses as much as digits as its factorization.

745625791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The square root of 745625791 is about 27306.1493257471. The cubic root of 745625791 is about 906.7905257338.

The spelling of 745625791 in words is "seven hundred forty-five million, six hundred twenty-five thousand, seven hundred ninety-one".