75605005 has 32 divisors (see below), whose sum is σ = 106389504. Its totient is φ = 50512896.

The previous prime is 75604981. The next prime is 75605027. The reversal of 75605005 is 50050657.

It is not a de Polignac number, because 75605005 - 2⁹ = 75604493 is a prime.

It is a super-2 number, since 2×75605005² = 11432233562100050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324369 + ... + 324601.

It is an arithmetic number, because the mean of its divisors is an integer number (3324672).

Almost surely, 2^75605005 is an apocalyptic number.

It is an amenable number.

75605005 is a deficient number, since it is larger than the sum of its proper divisors (30784499).

75605005 is a wasteful number, since it uses less digits than its factorization.

75605005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 75605005 is about 8695.1138577939. The cubic root of 75605005 is about 422.8472548635.

The spelling of 75605005 in words is "seventy-five million, six hundred five thousand, five".