66730367 has 8 divisors (see below), whose sum is σ = 74490240. Its totient is φ = 59252760.

The previous prime is 66730343. The next prime is 66730369. The reversal of 66730367 is 76303766.

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

It is a cyclic number.

It is not a de Polignac number, because 66730367 - 2⁶ = 66730303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66730367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66730369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70067 + ... + 71012.

It is an arithmetic number, because the mean of its divisors is an integer number (9311280).

Almost surely, 2^66730367 is an apocalyptic number.

66730367 is a deficient number, since it is larger than the sum of its proper divisors (7759873).

66730367 is a wasteful number, since it uses less digits than its factorization.

66730367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141133.

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

The square root of 66730367 is about 8168.8657107337. The cubic root of 66730367 is about 405.6092380250.

The spelling of 66730367 in words is "sixty-six million, seven hundred thirty thousand, three hundred sixty-seven".