745224568 has 16 divisors (see below), whose sum is σ = 1524323160. Its totient is φ = 338738400.

The previous prime is 745224559. The next prime is 745224577. The reversal of 745224568 is 865422547.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (745224559) and next prime (745224577).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4234143 + ... + 4234318.

Almost surely, 2^745224568 is an apocalyptic number.

It is an amenable number.

745224568 is an abundant number, since it is smaller than the sum of its proper divisors (779098592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745224568 is a wasteful number, since it uses less digits than its factorization.

745224568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468478 (or 8468474 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 745224568 is about 27298.8015854176. The cubic root of 745224568 is about 906.6278478430.

The spelling of 745224568 in words is "seven hundred forty-five million, two hundred twenty-four thousand, five hundred sixty-eight".