745830315 has 32 divisors (see below), whose sum is σ = 1383575040. Its totient is φ = 380479968.

The previous prime is 745830311. The next prime is 745830317. The reversal of 745830315 is 513038547.

745830315 is a `hidden beast` number, since 74 + 583 + 0 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 745830315 - 2² = 745830311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745830315.

It is not an unprimeable number, because it can be changed into a prime (745830311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116997 + ... + 123206.

It is an arithmetic number, because the mean of its divisors is an integer number (43236720).

Almost surely, 2^745830315 is an apocalyptic number.

745830315 is a deficient number, since it is larger than the sum of its proper divisors (637744725).

745830315 is a wasteful number, since it uses less digits than its factorization.

745830315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240240 (or 240234 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 745830315 is about 27309.8940862099. The cubic root of 745830315 is about 906.8734285666.

It can be divided in two parts, 7458 and 30315, that added together give a palindrome (37773).

The spelling of 745830315 in words is "seven hundred forty-five million, eight hundred thirty thousand, three hundred fifteen".