66312034 has 8 divisors (see below), whose sum is σ = 100251648. Its totient is φ = 32894820.

The previous prime is 66312023. The next prime is 66312041. The reversal of 66312034 is 43021366.

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

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 3 ways as a sum of consecutive naturals, for example, 130282 + ... + 130789.

It is an arithmetic number, because the mean of its divisors is an integer number (12531456).

Almost surely, 2^66312034 is an apocalyptic number.

66312034 is a deficient number, since it is larger than the sum of its proper divisors (33939614).

66312034 is a wasteful number, since it uses less digits than its factorization.

66312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261200.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 66312034 is about 8143.2201247418. The cubic root of 66312034 is about 404.7598718795.

The spelling of 66312034 in words is "sixty-six million, three hundred twelve thousand, thirty-four".