745517371 has 16 divisors (see below), whose sum is σ = 802134144. Its totient is φ = 690390144.

The previous prime is 745517369. The next prime is 745517389. The reversal of 745517371 is 173715547.

It is a cyclic number.

It is not a de Polignac number, because 745517371 - 2¹ = 745517369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745517771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398380 + ... + 400246.

It is an arithmetic number, because the mean of its divisors is an integer number (50133384).

Almost surely, 2^745517371 is an apocalyptic number.

745517371 is a deficient number, since it is larger than the sum of its proper divisors (56616773).

745517371 is a wasteful number, since it uses less digits than its factorization.

745517371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its digits is 102900, while the sum is 40.

The square root of 745517371 is about 27304.1639864692. The cubic root of 745517371 is about 906.7465720528.

The spelling of 745517371 in words is "seven hundred forty-five million, five hundred seventeen thousand, three hundred seventy-one".