745426775 has 12 divisors (see below), whose sum is σ = 954147264. Its totient is φ = 577104000.

The previous prime is 745426769. The next prime is 745426777. The reversal of 745426775 is 577624547.

It is a de Polignac number, because none of the positive numbers 2^k-745426775 is a prime.

It is a super-2 number, since 2×745426775² = 1111322153773801250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745426777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480146 + ... + 481695.

It is an arithmetic number, because the mean of its divisors is an integer number (79512272).

Almost surely, 2^745426775 is an apocalyptic number.

745426775 is a deficient number, since it is larger than the sum of its proper divisors (208720489).

745426775 is a wasteful number, since it uses less digits than its factorization.

745426775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961882 (or 961877 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 47.

The square root of 745426775 is about 27302.5049217100. The cubic root of 745426775 is about 906.7098409882.

The spelling of 745426775 in words is "seven hundred forty-five million, four hundred twenty-six thousand, seven hundred seventy-five".