66029005 has 8 divisors (see below), whose sum is σ = 90554112. Its totient is φ = 45277008.

The previous prime is 66028999. The next prime is 66029057. The reversal of 66029005 is 50092066.

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

It is not a de Polignac number, because 66029005 - 2³ = 66028997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943237 + ... + 943306.

It is an arithmetic number, because the mean of its divisors is an integer number (11319264).

Almost surely, 2^66029005 is an apocalyptic number.

It is an amenable number.

66029005 is a deficient number, since it is larger than the sum of its proper divisors (24525107).

66029005 is a wasteful number, since it uses less digits than its factorization.

66029005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886555.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 66029005 is about 8125.8233428989. The cubic root of 66029005 is about 404.1831934764.

The spelling of 66029005 in words is "sixty-six million, twenty-nine thousand, five".