75505107 has 8 divisors (see below), whose sum is σ = 105972160. Its totient is φ = 47687400.

The previous prime is 75505099. The next prime is 75505117. The reversal of 75505107 is 70150557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75505107 - 2³ = 75505099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75505117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662269 + ... + 662382.

It is an arithmetic number, because the mean of its divisors is an integer number (13246520).

Almost surely, 2^75505107 is an apocalyptic number.

75505107 is a deficient number, since it is larger than the sum of its proper divisors (30467053).

75505107 is a wasteful number, since it uses less digits than its factorization.

75505107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324673.

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 75505107 is about 8689.3674683489. The cubic root of 75505107 is about 422.6609346874.

The spelling of 75505107 in words is "seventy-five million, five hundred five thousand, one hundred seven".