75275972809 has 8 divisors (see below), whose sum is σ = 78663863232. Its totient is φ = 71897667600.

The previous prime is 75275972803. The next prime is 75275972813. The reversal of 75275972809 is 90827957257.

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 75275972809 - 2²⁷ = 75141755081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75275972803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380242 + ... + 2411659.

It is an arithmetic number, because the mean of its divisors is an integer number (9832982904).

Almost surely, 2^75275972809 is an apocalyptic number.

It is an amenable number.

75275972809 is a deficient number, since it is larger than the sum of its proper divisors (3387890423).

75275972809 is a wasteful number, since it uses less digits than its factorization.

75275972809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792607.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 75275972809 in words is "seventy-five billion, two hundred seventy-five million, nine hundred seventy-two thousand, eight hundred nine".