745013517 has 4 divisors (see below), whose sum is σ = 993351360. Its totient is φ = 496675676.

The previous prime is 745013461. The next prime is 745013519. The reversal of 745013517 is 715310547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 745013517 - 2¹⁸ = 744751373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745013519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124168917 + ... + 124168922.

It is an arithmetic number, because the mean of its divisors is an integer number (248337840).

Almost surely, 2^745013517 is an apocalyptic number.

It is an amenable number.

745013517 is a deficient number, since it is larger than the sum of its proper divisors (248337843).

745013517 is a wasteful number, since it uses less digits than its factorization.

745013517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248337842.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 745013517 is about 27294.9357390707. The cubic root of 745013517 is about 906.5422527136.

The spelling of 745013517 in words is "seven hundred forty-five million, thirteen thousand, five hundred seventeen".