745820319 has 16 divisors (see below), whose sum is σ = 1047473280. Its totient is φ = 470725920.

The previous prime is 745820303. The next prime is 745820363. The reversal of 745820319 is 913028547.

745820319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745820319 - 2⁴ = 745820303 is a prime.

It is a super-2 number, since 2×745820319² = 1112495896466523522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745820389) 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, 103504 + ... + 110474.

It is an arithmetic number, because the mean of its divisors is an integer number (65467080).

Almost surely, 2^745820319 is an apocalyptic number.

745820319 is a deficient number, since it is larger than the sum of its proper divisors (301652961).

745820319 is a wasteful number, since it uses less digits than its factorization.

745820319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8870.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 745820319 is about 27309.7110750004. The cubic root of 745820319 is about 906.8693770878.

The spelling of 745820319 in words is "seven hundred forty-five million, eight hundred twenty thousand, three hundred nineteen".