745330719 has 12 divisors (see below), whose sum is σ = 1156023384. Its totient is φ = 425903184.

The previous prime is 745330697. The next prime is 745330723. The reversal of 745330719 is 917033547.

It is a happy number.

It is not a de Polignac number, because 745330719 - 2⁵ = 745330687 is a prime.

It is a super-2 number, since 2×745330719² = 1111035761370113922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745332719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2534992 + ... + 2535285.

It is an arithmetic number, because the mean of its divisors is an integer number (96335282).

Almost surely, 2^745330719 is an apocalyptic number.

745330719 is a deficient number, since it is larger than the sum of its proper divisors (410692665).

745330719 is a wasteful number, since it uses less digits than its factorization.

745330719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070294 (or 5070287 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 745330719 is about 27300.7457590448. The cubic root of 745330719 is about 906.6708929812.

The spelling of 745330719 in words is "seven hundred forty-five million, three hundred thirty thousand, seven hundred nineteen".