66373827 has 16 divisors (see below), whose sum is σ = 96155808. Its totient is φ = 40481280.

The previous prime is 66373817. The next prime is 66373829. The reversal of 66373827 is 72837366.

It is not a de Polignac number, because 66373827 - 2²⁰ = 65325251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66373829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3124 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (6009738).

Almost surely, 2^66373827 is an apocalyptic number.

66373827 is a deficient number, since it is larger than the sum of its proper divisors (29781981).

66373827 is a wasteful number, since it uses less digits than its factorization.

66373827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190.

The product of its digits is 254016, while the sum is 42.

The square root of 66373827 is about 8147.0133791470. The cubic root of 66373827 is about 404.8855582762.

The spelling of 66373827 in words is "sixty-six million, three hundred seventy-three thousand, eight hundred twenty-seven".