745797715 has 32 divisors (see below), whose sum is σ = 1008697536. Its totient is φ = 525657600.

The previous prime is 745797677. The next prime is 745797733. The reversal of 745797715 is 517797547.

It is not a de Polignac number, because 745797715 - 2⁷ = 745797587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 124540 + ... + 130390.

It is an arithmetic number, because the mean of its divisors is an integer number (31521798).

Almost surely, 2^745797715 is an apocalyptic number.

745797715 is a deficient number, since it is larger than the sum of its proper divisors (262899821).

745797715 is a wasteful number, since it uses less digits than its factorization.

745797715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959.

The product of its digits is 2160900, while the sum is 52.

The square root of 745797715 is about 27309.2972264026. The cubic root of 745797715 is about 906.8602153268.

The spelling of 745797715 in words is "seven hundred forty-five million, seven hundred ninety-seven thousand, seven hundred fifteen".