66773001 has 8 divisors (see below), whose sum is σ = 89346400. Its totient is φ = 44357472.

The previous prime is 66772999. The next prime is 66773033. The reversal of 66773001 is 10037766.

66773001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66773001 - 2¹ = 66772999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66773001.

It is not an unprimeable number, because it can be changed into a prime (66773401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38476 + ... + 40173.

It is an arithmetic number, because the mean of its divisors is an integer number (11168300).

Almost surely, 2^66773001 is an apocalyptic number.

It is an amenable number.

66773001 is a deficient number, since it is larger than the sum of its proper divisors (22573399).

66773001 is a wasteful number, since it uses less digits than its factorization.

66773001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78935.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 66773001 is about 8171.4748362826. The cubic root of 66773001 is about 405.6956008188.

The spelling of 66773001 in words is "sixty-six million, seven hundred seventy-three thousand, one".