66306934 has 8 divisors (see below), whose sum is σ = 102890160. Its totient is φ = 32010216.

The previous prime is 66306901. The next prime is 66306943. The reversal of 66306934 is 43960366.

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

It is a junction number, because it is equal to n+sod(n) for n = 66306893 and 66306902.

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 3 ways as a sum of consecutive naturals, for example, 571554 + ... + 571669.

It is an arithmetic number, because the mean of its divisors is an integer number (12861270).

Almost surely, 2^66306934 is an apocalyptic number.

66306934 is a deficient number, since it is larger than the sum of its proper divisors (36583226).

66306934 is a wasteful number, since it uses less digits than its factorization.

66306934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143254.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 66306934 is about 8142.9069747849. The cubic root of 66306934 is about 404.7494950387.

The spelling of 66306934 in words is "sixty-six million, three hundred six thousand, nine hundred thirty-four".