66068429 has 8 divisors (see below), whose sum is σ = 76745088. Its totient is φ = 55701360.

The previous prime is 66068407. The next prime is 66068447. The reversal of 66068429 is 92486066.

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

It is a cyclic number.

It is not a de Polignac number, because 66068429 - 2¹² = 66064333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66068459) 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, 76937 + ... + 77790.

It is an arithmetic number, because the mean of its divisors is an integer number (9593136).

Almost surely, 2^66068429 is an apocalyptic number.

It is an amenable number.

66068429 is a deficient number, since it is larger than the sum of its proper divisors (10676659).

66068429 is a wasteful number, since it uses less digits than its factorization.

66068429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154795.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 66068429 is about 8128.2488273920. The cubic root of 66068429 is about 404.2636194847.

The spelling of 66068429 in words is "sixty-six million, sixty-eight thousand, four hundred twenty-nine".