66273122 has 8 divisors (see below), whose sum is σ = 99837036. Its totient is φ = 32994112.

The previous prime is 66273113. The next prime is 66273127. The reversal of 66273122 is 22137266.

It can be written as a sum of positive squares in 2 ways, for example, as 64657681 + 1615441 = 8041^2 + 1271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66273127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70643 + ... + 71574.

Almost surely, 2^66273122 is an apocalyptic number.

66273122 is a deficient number, since it is larger than the sum of its proper divisors (33563914).

66273122 is a wasteful number, since it uses less digits than its factorization.

66273122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142452.

The product of its digits is 6048, while the sum is 29.

The square root of 66273122 is about 8140.8305473090. The cubic root of 66273122 is about 404.6806851573.

The spelling of 66273122 in words is "sixty-six million, two hundred seventy-three thousand, one hundred twenty-two".