66703367 has 4 divisors (see below), whose sum is σ = 66722040. Its totient is φ = 66684696.

The previous prime is 66703361. The next prime is 66703369. The reversal of 66703367 is 76330766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66703367 - 2⁶ = 66703303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66703367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66703361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (16680510).

Almost surely, 2^66703367 is an apocalyptic number.

66703367 is a deficient number, since it is larger than the sum of its proper divisors (18673).

66703367 is a wasteful number, since it uses less digits than its factorization.

66703367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 66703367 is about 8167.2129273088. The cubic root of 66703367 is about 405.5545256689.

The spelling of 66703367 in words is "sixty-six million, seven hundred three thousand, three hundred sixty-seven".