66076923 has 8 divisors (see below), whose sum is σ = 96111936. Its totient is φ = 40046600.

The previous prime is 66076921. The next prime is 66076937. The reversal of 66076923 is 32967066.

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

It is not a de Polignac number, because 66076923 - 2¹ = 66076921 is a prime.

66076923 is a modest number, since divided by 76923 gives 66 as remainder.

It is not an unprimeable number, because it can be changed into a prime (66076921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001133 + ... + 1001198.

It is an arithmetic number, because the mean of its divisors is an integer number (12013992).

Almost surely, 2^66076923 is an apocalyptic number.

66076923 is a deficient number, since it is larger than the sum of its proper divisors (30035013).

66076923 is a wasteful number, since it uses less digits than its factorization.

66076923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002345.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 66076923 is about 8128.7713093677. The cubic root of 66076923 is about 404.2809432811.

It can be divided in two parts, 6607 and 6923, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 66076923 in words is "sixty-six million, seventy-six thousand, nine hundred twenty-three".