66046042 has 8 divisors (see below), whose sum is σ = 100693332. Its totient is φ = 32481600.

The previous prime is 66046031. The next prime is 66046049. The reversal of 66046042 is 24064066.

It can be written as a sum of positive squares in 2 ways, for example, as 60233121 + 5812921 = 7761^2 + 2411^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 66046042.

It is not an unprimeable number, because it can be changed into a prime (66046049) 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, 270559 + ... + 270802.

Almost surely, 2^66046042 is an apocalyptic number.

66046042 is a deficient number, since it is larger than the sum of its proper divisors (34647290).

66046042 is a wasteful number, since it uses less digits than its factorization.

66046042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541424.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 66046042 is about 8126.8715998224. The cubic root of 66046042 is about 404.2179533363.

The spelling of 66046042 in words is "sixty-six million, forty-six thousand, forty-two", and thus it is an eban number.