745648975 has 12 divisors (see below), whose sum is σ = 949595224. Its totient is φ = 580396320.

The previous prime is 745648931. The next prime is 745648993. The reversal of 745648975 is 579846547.

It is a de Polignac number, because none of the positive numbers 2^k-745648975 is a prime.

It is a Duffinian number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 402129 + ... + 403978.

Almost surely, 2^745648975 is an apocalyptic number.

745648975 is a deficient number, since it is larger than the sum of its proper divisors (203946249).

745648975 is a wasteful number, since it uses less digits than its factorization.

745648975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806154 (or 806149 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 55.

The square root of 745648975 is about 27306.5738422088. The cubic root of 745648975 is about 906.7999240200.

The spelling of 745648975 in words is "seven hundred forty-five million, six hundred forty-eight thousand, nine hundred seventy-five".