52666073 has 4 divisors (see below), whose sum is σ = 53300688. Its totient is φ = 52031460.

The previous prime is 52666057. The next prime is 52666091. The reversal of 52666073 is 37066625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52666073 - 2⁴ = 52666057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52666093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317183 + ... + 317348.

It is an arithmetic number, because the mean of its divisors is an integer number (13325172).

Almost surely, 2^52666073 is an apocalyptic number.

It is an amenable number.

52666073 is a deficient number, since it is larger than the sum of its proper divisors (634615).

52666073 is an equidigital number, since it uses as much as digits as its factorization.

52666073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634614.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 52666073 is about 7257.1394502242. The cubic root of 52666073 is about 374.8380290141.

The spelling of 52666073 in words is "fifty-two million, six hundred sixty-six thousand, seventy-three".