745585505 has 16 divisors (see below), whose sum is σ = 1057777920. Its totient is φ = 493628352.

The previous prime is 745585501. The next prime is 745585579. The reversal of 745585505 is 505585547.

745585505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745585505 - 2² = 745585501 is a prime.

It is a super-2 number, since 2×745585505² = 1111795490532210050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745585501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366269 + ... + 368298.

It is an arithmetic number, because the mean of its divisors is an integer number (66111120).

Almost surely, 2^745585505 is an apocalyptic number.

It is an amenable number.

745585505 is a deficient number, since it is larger than the sum of its proper divisors (312192415).

745585505 is a wasteful number, since it uses less digits than its factorization.

745585505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734608.

The product of its (nonzero) digits is 700000, while the sum is 44.

The square root of 745585505 is about 27305.4116431157. The cubic root of 745585505 is about 906.7741942078.

The spelling of 745585505 in words is "seven hundred forty-five million, five hundred eighty-five thousand, five hundred five".