745145872 has 20 divisors (see below), whose sum is σ = 1444885200. Its totient is φ = 372272288.

The previous prime is 745145837. The next prime is 745145873. The reversal of 745145872 is 278541547.

It is not an unprimeable number, because it can be changed into a prime (745145873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379 + ... + 38677.

It is an arithmetic number, because the mean of its divisors is an integer number (72244260).

Almost surely, 2^745145872 is an apocalyptic number.

It is an amenable number.

745145872 is a deficient number, since it is larger than the sum of its proper divisors (699739328).

745145872 is a wasteful number, since it uses less digits than its factorization.

745145872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37590 (or 37584 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 745145872 is about 27297.3601654079. The cubic root of 745145872 is about 906.5959333035.

The spelling of 745145872 in words is "seven hundred forty-five million, one hundred forty-five thousand, eight hundred seventy-two".