66807334 has 16 divisors (see below), whose sum is σ = 110186496. Its totient is φ = 30126600.

The previous prime is 66807317. The next prime is 66807347. The reversal of 66807334 is 43370866.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66807293 and 66807302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9162 + ... + 14749.

It is an arithmetic number, because the mean of its divisors is an integer number (6886656).

Almost surely, 2^66807334 is an apocalyptic number.

66807334 is a deficient number, since it is larger than the sum of its proper divisors (43379162).

66807334 is a wasteful number, since it uses less digits than its factorization.

66807334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24051.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 66807334 is about 8173.5753498698. The cubic root of 66807334 is about 405.7651217343.

The spelling of 66807334 in words is "sixty-six million, eight hundred seven thousand, three hundred thirty-four".