66530735 has 8 divisors (see below), whose sum is σ = 80373600. Its totient is φ = 52866784.

The previous prime is 66530731. The next prime is 66530759. The reversal of 66530735 is 53703566.

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 66530735 - 2² = 66530731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66530695 and 66530704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66530731) 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, 43907 + ... + 45396.

It is an arithmetic number, because the mean of its divisors is an integer number (10046700).

Almost surely, 2^66530735 is an apocalyptic number.

66530735 is a deficient number, since it is larger than the sum of its proper divisors (13842865).

66530735 is a wasteful number, since it uses less digits than its factorization.

66530735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89457.

The product of its (nonzero) digits is 56700, while the sum is 35.

The square root of 66530735 is about 8156.6374812174. The cubic root of 66530735 is about 405.2043575687.

The spelling of 66530735 in words is "sixty-six million, five hundred thirty thousand, seven hundred thirty-five".