745189075 has 54 divisors (see below), whose sum is σ = 1015345604. Its totient is φ = 542351040.

The previous prime is 745189069. The next prime is 745189099. The reversal of 745189075 is 570981547.

It is a happy number.

It is not a de Polignac number, because 745189075 - 2⁵ = 745189043 is a prime.

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 53 ways as a sum of consecutive naturals, for example, 11122192 + ... + 11122258.

Almost surely, 2^745189075 is an apocalyptic number.

745189075 is a deficient number, since it is larger than the sum of its proper divisors (270156529).

745189075 is a wasteful number, since it uses less digits than its factorization.

745189075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 745189075 is about 27298.1514941946. The cubic root of 745189075 is about 906.6134542161.

The spelling of 745189075 in words is "seven hundred forty-five million, one hundred eighty-nine thousand, seventy-five".