75666051 has 12 divisors (see below), whose sum is σ = 109767528. Its totient is φ = 50226144.

The previous prime is 75666029. The next prime is 75666079. The reversal of 75666051 is 15066657.

It is a happy number.

It is not a de Polignac number, because 75666051 - 2¹⁰ = 75665027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75665997 and 75666015.

It is not an unprimeable number, because it can be changed into a prime (75666001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15945 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (9147294).

Almost surely, 2^75666051 is an apocalyptic number.

75666051 is a deficient number, since it is larger than the sum of its proper divisors (34101477).

75666051 is a wasteful number, since it uses less digits than its factorization.

75666051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36322 (or 36319 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 75666051 is about 8698.6235117977. The cubic root of 75666051 is about 422.9610312340.

The spelling of 75666051 in words is "seventy-five million, six hundred sixty-six thousand, fifty-one".