75075505 has 16 divisors (see below), whose sum is σ = 91970640. Its totient is φ = 58820608.

The previous prime is 75075493. The next prime is 75075509. The reversal of 75075505 is 50557057.

It can be written as a sum of positive squares in 8 ways, for example, as 8946081 + 66129424 = 2991^2 + 8132^2 .

It is a cyclic number.

It is not a de Polignac number, because 75075505 - 2¹³ = 75067313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75075509) 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, 49539 + ... + 51031.

It is an arithmetic number, because the mean of its divisors is an integer number (5748165).

Almost surely, 2^75075505 is an apocalyptic number.

It is an amenable number.

75075505 is a deficient number, since it is larger than the sum of its proper divisors (16895135).

75075505 is a wasteful number, since it uses less digits than its factorization.

75075505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700.

The product of its (nonzero) digits is 30625, while the sum is 34.

The square root of 75075505 is about 8664.6122244449. The cubic root of 75075505 is about 421.8578038167.

The spelling of 75075505 in words is "seventy-five million, seventy-five thousand, five hundred five".