745674091 has 2 divisors, whose sum is σ = 745674092. Its totient is φ = 745674090.

The previous prime is 745674073. The next prime is 745674101. The reversal of 745674091 is 190476547.

745674091 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 is a cyclic number.

It is not a de Polignac number, because 745674091 - 2¹⁹ = 745149803 is a prime.

It is not a weakly prime, because it can be changed into another prime (745674491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372837045 + 372837046.

It is an arithmetic number, because the mean of its divisors is an integer number (372837046).

Almost surely, 2^745674091 is an apocalyptic number.

745674091 is a deficient number, since it is larger than the sum of its proper divisors (1).

745674091 is an equidigital number, since it uses as much as digits as its factorization.

745674091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 745674091 is about 27307.0337275948. The cubic root of 745674091 is about 906.8101052768.

The spelling of 745674091 in words is "seven hundred forty-five million, six hundred seventy-four thousand, ninety-one".