745343499 has 8 divisors (see below), whose sum is σ = 993917440. Its totient is φ = 496832616.

The previous prime is 745343449. The next prime is 745343579. The reversal of 745343499 is 994343547.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745343499 - 2⁷ = 745343371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745343449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38862 + ... + 54780.

It is an arithmetic number, because the mean of its divisors is an integer number (124239680).

Almost surely, 2^745343499 is an apocalyptic number.

745343499 is a deficient number, since it is larger than the sum of its proper divisors (248573941).

745343499 is a wasteful number, since it uses less digits than its factorization.

745343499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31529.

The product of its digits is 1632960, while the sum is 48.

The square root of 745343499 is about 27300.9798175816. The cubic root of 745343499 is about 906.6760751048.

Adding to 745343499 its sum of digits (48), we get a palindrome (745343547).

The spelling of 745343499 in words is "seven hundred forty-five million, three hundred forty-three thousand, four hundred ninety-nine".