66873301 has 4 divisors (see below), whose sum is σ = 72952704. Its totient is φ = 60793900.

The previous prime is 66873283. The next prime is 66873307. The reversal of 66873301 is 10337866.

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 a de Polignac number, because none of the positive numbers 2^k-66873301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66873307) 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, 3039685 + ... + 3039706.

It is an arithmetic number, because the mean of its divisors is an integer number (18238176).

Almost surely, 2^66873301 is an apocalyptic number.

It is an amenable number.

66873301 is a deficient number, since it is larger than the sum of its proper divisors (6079403).

66873301 is a wasteful number, since it uses less digits than its factorization.

66873301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079402.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 66873301 is about 8177.6097363472. The cubic root of 66873301 is about 405.8986315396.

The spelling of 66873301 in words is "sixty-six million, eight hundred seventy-three thousand, three hundred one".