75134573066 has 48 divisors (see below), whose sum is σ = 138135031200. Its totient is φ = 30476422368.

The previous prime is 75134572987. The next prime is 75134573077. The reversal of 75134573066 is 66037543157.

It is a self number, because there is not a number n which added to its sum of digits gives 75134573066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1971605 + ... + 2009351.

It is an arithmetic number, because the mean of its divisors is an integer number (2877813150).

Almost surely, 2^75134573066 is an apocalyptic number.

75134573066 is a deficient number, since it is larger than the sum of its proper divisors (63000458134).

75134573066 is a wasteful number, since it uses less digits than its factorization.

75134573066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38851 (or 38844 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 75134573066 in words is "seventy-five billion, one hundred thirty-four million, five hundred seventy-three thousand, sixty-six".