745344779 has 2 divisors, whose sum is σ = 745344780. Its totient is φ = 745344778.

The previous prime is 745344713. The next prime is 745344911. The reversal of 745344779 is 977443547.

It is a happy number.

745344779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 745344779 - 2²⁴ = 728567563 is a prime.

It is not a weakly prime, because it can be changed into another prime (745344679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372672389 + 372672390.

It is an arithmetic number, because the mean of its divisors is an integer number (372672390).

Almost surely, 2^745344779 is an apocalyptic number.

745344779 is a deficient number, since it is larger than the sum of its proper divisors (1).

745344779 is an equidigital number, since it uses as much as digits as its factorization.

745344779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 50.

The square root of 745344779 is about 27301.0032599537. The cubic root of 745344779 is about 906.6765941249.

The spelling of 745344779 in words is "seven hundred forty-five million, three hundred forty-four thousand, seven hundred seventy-nine".