66376923 has 8 divisors (see below), whose sum is σ = 88737600. Its totient is φ = 44133768.

The previous prime is 66376903. The next prime is 66376951. The reversal of 66376923 is 32967366.

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

It is not a de Polignac number, because 66376923 - 2⁹ = 66376411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66376903) 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 7 ways as a sum of consecutive naturals, for example, 28053 + ... + 30326.

It is an arithmetic number, because the mean of its divisors is an integer number (11092200).

Almost surely, 2^66376923 is an apocalyptic number.

66376923 is a deficient number, since it is larger than the sum of its proper divisors (22360677).

66376923 is a wasteful number, since it uses less digits than its factorization.

66376923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58761.

The product of its digits is 244944, while the sum is 42.

The square root of 66376923 is about 8147.2033852114. The cubic root of 66376923 is about 404.8918534594.

The spelling of 66376923 in words is "sixty-six million, three hundred seventy-six thousand, nine hundred twenty-three".