66623234 has 8 divisors (see below), whose sum is σ = 105194640. Its totient is φ = 31558356.

The previous prime is 66623201. The next prime is 66623251. The reversal of 66623234 is 43232666.

66623234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×66623234³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66623234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876584 + ... + 876659.

It is an arithmetic number, because the mean of its divisors is an integer number (13149330).

Almost surely, 2^66623234 is an apocalyptic number.

66623234 is a deficient number, since it is larger than the sum of its proper divisors (38571406).

66623234 is a wasteful number, since it uses less digits than its factorization.

66623234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753264.

The product of its digits is 31104, while the sum is 32.

The square root of 66623234 is about 8162.3056791571. The cubic root of 66623234 is about 405.3920584916.

The spelling of 66623234 in words is "sixty-six million, six hundred twenty-three thousand, two hundred thirty-four".