666673334 has 8 divisors (see below), whose sum is σ = 1001763048. Its totient is φ = 332752320.

The previous prime is 666673297. The next prime is 666673361. The reversal of 666673334 is 433376666.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290747 + ... + 293030.

It is an arithmetic number, because the mean of its divisors is an integer number (125220381).

Almost surely, 2^666673334 is an apocalyptic number.

666673334 is a deficient number, since it is larger than the sum of its proper divisors (335089714).

666673334 is a wasteful number, since it uses less digits than its factorization.

666673334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584350.

The product of its digits is 979776, while the sum is 44.

The square root of 666673334 is about 25820.0180867481. The cubic root of 666673334 is about 873.5833769527.

It can be divided in two parts, 6 and 66673334, that multiplied together give a palindrome (400040004).

The spelling of 666673334 in words is "six hundred sixty-six million, six hundred seventy-three thousand, three hundred thirty-four".