66435042 has 8 divisors (see below), whose sum is σ = 132870096. Its totient is φ = 22145012.

The previous prime is 66435041. The next prime is 66435049. The reversal of 66435042 is 24053466.

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

66435042 is an admirable number.

It is a super-2 number, since 2×66435042² = 8827229611083528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66435041) 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, 5536248 + ... + 5536259.

It is an arithmetic number, because the mean of its divisors is an integer number (16608762).

Almost surely, 2^66435042 is an apocalyptic number.

66435042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66435042 is a wasteful number, since it uses less digits than its factorization.

66435042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072512.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 66435042 is about 8150.7694115341. The cubic root of 66435042 is about 405.0099921327.

The spelling of 66435042 in words is "sixty-six million, four hundred thirty-five thousand, forty-two".