66042376 has 16 divisors (see below), whose sum is σ = 124060140. Its totient is φ = 32959680.

The previous prime is 66042371. The next prime is 66042377. The reversal of 66042376 is 67324066.

It can be written as a sum of positive squares in 2 ways, for example, as 61246276 + 4796100 = 7826^2 + 2190^2 .

It is not an unprimeable number, because it can be changed into a prime (66042371) 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, 2955 + ... + 11866.

Almost surely, 2^66042376 is an apocalyptic number.

It is an amenable number.

66042376 is a deficient number, since it is larger than the sum of its proper divisors (58017764).

66042376 is a wasteful number, since it uses less digits than its factorization.

66042376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384 (or 15380 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 66042376 is about 8126.6460486476. The cubic root of 66042376 is about 404.2104742586.

The spelling of 66042376 in words is "sixty-six million, forty-two thousand, three hundred seventy-six".