75775081 has 8 divisors (see below), whose sum is σ = 76656384. Its totient is φ = 74899200.

The previous prime is 75775079. The next prime is 75775121. The reversal of 75775081 is 18057757.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75775081 - 2¹ = 75775079 is a prime.

It is a super-2 number, since 2×75775081² = 11483725801113122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75775061) 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, 31056 + ... + 33406.

It is an arithmetic number, because the mean of its divisors is an integer number (9582048).

Almost surely, 2^75775081 is an apocalyptic number.

It is an amenable number.

75775081 is a deficient number, since it is larger than the sum of its proper divisors (881303).

75775081 is a wasteful number, since it uses less digits than its factorization.

75775081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 68600, while the sum is 40.

The square root of 75775081 is about 8704.8883393183. Note that the first 3 decimals coincide. The cubic root of 75775081 is about 423.1640871114.

The spelling of 75775081 in words is "seventy-five million, seven hundred seventy-five thousand, eighty-one".