66733334 has 16 divisors (see below), whose sum is σ = 102669072. Its totient is φ = 32514048.

The previous prime is 66733333. The next prime is 66733349. The reversal of 66733334 is 43333766.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 66733294 and 66733303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66733333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57302 + ... + 58454.

It is an arithmetic number, because the mean of its divisors is an integer number (6416817).

Almost surely, 2^66733334 is an apocalyptic number.

66733334 is a deficient number, since it is larger than the sum of its proper divisors (35935738).

66733334 is a wasteful number, since it uses less digits than its factorization.

66733334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 81648, while the sum is 35.

The square root of 66733334 is about 8169.0473128756. The cubic root of 66733334 is about 405.6152494049.

The spelling of 66733334 in words is "sixty-six million, seven hundred thirty-three thousand, three hundred thirty-four".