66673334 has 32 divisors (see below), whose sum is σ = 126428736. Its totient is φ = 25660800.

The previous prime is 66673289. The next prime is 66673361. The reversal of 66673334 is 43337666.

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 15 ways as a sum of consecutive naturals, for example, 1784 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (3950898).

Almost surely, 2^66673334 is an apocalyptic number.

66673334 is a deficient number, since it is larger than the sum of its proper divisors (59755402).

66673334 is a wasteful number, since it uses less digits than its factorization.

66673334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9960.

The product of its digits is 163296, while the sum is 38.

The square root of 66673334 is about 8165.3740881848. The cubic root of 66673334 is about 405.4936499437.

It can be divided in two parts, 6667 and 3334, that multiplied together give a triangular number (22227778 = T₆₆₆₇).

The spelling of 66673334 in words is "sixty-six million, six hundred seventy-three thousand, three hundred thirty-four".