745650779 has 2 divisors, whose sum is σ = 745650780. Its totient is φ = 745650778.

The previous prime is 745650769. The next prime is 745650863. The reversal of 745650779 is 977056547.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745650779 is a prime.

It is not a weakly prime, because it can be changed into another prime (745650709) 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, 372825389 + 372825390.

It is an arithmetic number, because the mean of its divisors is an integer number (372825390).

Almost surely, 2^745650779 is an apocalyptic number.

745650779 is a deficient number, since it is larger than the sum of its proper divisors (1).

745650779 is an equidigital number, since it uses as much as digits as its factorization.

745650779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The square root of 745650779 is about 27306.6068745276. The cubic root of 745650779 is about 906.8006553139.

The spelling of 745650779 in words is "seven hundred forty-five million, six hundred fifty thousand, seven hundred seventy-nine".