75066266057 has 8 divisors (see below), whose sum is σ = 78423620040. Its totient is φ = 71760169600.

The previous prime is 75066266003. The next prime is 75066266129.

75066266057 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 45044119696 + 30022146361 = 212236^2 + 173269^2 .

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 75066266057 - 2⁶ = 75066265993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75066265996 and 75066266014.

It is not an unprimeable number, because it can be changed into a prime (75066266357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12811388 + ... + 12817245.

It is an arithmetic number, because the mean of its divisors is an integer number (9802952505).

Almost surely, 2^75066266057 is an apocalyptic number.

It is an amenable number.

75066266057 is a deficient number, since it is larger than the sum of its proper divisors (3357353983).

75066266057 is a wasteful number, since it uses less digits than its factorization.

75066266057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25628763.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 75066266057 in words is "seventy-five billion, sixty-six million, two hundred sixty-six thousand, fifty-seven".