75666048705 has 48 divisors (see below), whose sum is σ = 141322761216. Its totient is φ = 37230019200.

The previous prime is 75666048701. The next prime is 75666048709. The reversal of 75666048705 is 50784066657.

It is an interprime number because it is at equal distance from previous prime (75666048701) and next prime (75666048709).

It is not a de Polignac number, because 75666048705 - 2² = 75666048701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75666048701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1030980 + ... + 1101930.

It is an arithmetic number, because the mean of its divisors is an integer number (2944224192).

Almost surely, 2^75666048705 is an apocalyptic number.

It is an amenable number.

75666048705 is a deficient number, since it is larger than the sum of its proper divisors (65656712511).

75666048705 is a wasteful number, since it uses less digits than its factorization.

75666048705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72798 (or 72795 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 75666048705 in words is "seventy-five billion, six hundred sixty-six million, forty-eight thousand, seven hundred five".