745117513 has 8 divisors (see below), whose sum is σ = 867630528. Its totient is φ = 626621424.

The previous prime is 745117511. The next prime is 745117537. The reversal of 745117513 is 315711547.

It is a happy number.

745117513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 745117513 - 2¹ = 745117511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745117511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003831 + ... + 1004572.

It is an arithmetic number, because the mean of its divisors is an integer number (108453816).

Almost surely, 2^745117513 is an apocalyptic number.

It is an amenable number.

745117513 is a deficient number, since it is larger than the sum of its proper divisors (122513015).

745117513 is a wasteful number, since it uses less digits than its factorization.

745117513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008463.

The product of its digits is 14700, while the sum is 34.

The square root of 745117513 is about 27296.8407146322. The cubic root of 745117513 is about 906.5844319849.

It can be divided in two parts, 7451 and 17513, that added together give a square (24964 = 158²).

The spelling of 745117513 in words is "seven hundred forty-five million, one hundred seventeen thousand, five hundred thirteen".