745417018 has 4 divisors (see below), whose sum is σ = 1118125530. Its totient is φ = 372708508.

The previous prime is 745416961. The next prime is 745417021. The reversal of 745417018 is 810714547.

745417018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810714547 = 17 ⋅47689091.

It can be written as a sum of positive squares in only one way, i.e., 467294689 + 278122329 = 21617^2 + 16677^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186354253 + ... + 186354256.

Almost surely, 2^745417018 is an apocalyptic number.

745417018 is a deficient number, since it is larger than the sum of its proper divisors (372708512).

745417018 is a wasteful number, since it uses less digits than its factorization.

745417018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372708511.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 745417018 is about 27302.3262378868. The cubic root of 745417018 is about 906.7058849517.

The spelling of 745417018 in words is "seven hundred forty-five million, four hundred seventeen thousand, eighteen".