745005527 has 4 divisors (see below), whose sum is σ = 851434896. Its totient is φ = 638576160.

The previous prime is 745005509. The next prime is 745005529. The reversal of 745005527 is 725500547.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745005527 - 2⁶ = 745005463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745005529) 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, 53214674 + ... + 53214687.

It is an arithmetic number, because the mean of its divisors is an integer number (212858724).

Almost surely, 2^745005527 is an apocalyptic number.

745005527 is a deficient number, since it is larger than the sum of its proper divisors (106429369).

745005527 is a wasteful number, since it uses less digits than its factorization.

745005527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106429368.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 745005527 is about 27294.7893745308. The cubic root of 745005527 is about 906.5390119230.

The spelling of 745005527 in words is "seven hundred forty-five million, five thousand, five hundred twenty-seven".