745417019 has 4 divisors (see below), whose sum is σ = 745603320. Its totient is φ = 745230720.

The previous prime is 745416961. The next prime is 745417021. The reversal of 745417019 is 910714547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745417019 - 2²⁴ = 728639803 is a prime.

It is a super-2 number, since 2×745417019² = 1111293064429692722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745410019) 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, 87014 + ... + 95195.

It is an arithmetic number, because the mean of its divisors is an integer number (186400830).

Almost surely, 2^745417019 is an apocalyptic number.

745417019 is a deficient number, since it is larger than the sum of its proper divisors (186301).

745417019 is a wasteful number, since it uses less digits than its factorization.

745417019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186300.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 745417019 is about 27302.3262562002. The cubic root of 745417019 is about 906.7058853572.

The spelling of 745417019 in words is "seven hundred forty-five million, four hundred seventeen thousand, nineteen".