66336707 has 4 divisors (see below), whose sum is σ = 67424256. Its totient is φ = 65249160.

The previous prime is 66336679. The next prime is 66336713. The reversal of 66336707 is 70763366.

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 66336707 - 2⁶ = 66336643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66336727) 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, 543683 + ... + 543804.

It is an arithmetic number, because the mean of its divisors is an integer number (16856064).

Almost surely, 2^66336707 is an apocalyptic number.

66336707 is a deficient number, since it is larger than the sum of its proper divisors (1087549).

66336707 is a wasteful number, since it uses less digits than its factorization.

66336707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087548.

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

The square root of 66336707 is about 8144.7349250912. The cubic root of 66336707 is about 404.8100658960.

The spelling of 66336707 in words is "sixty-six million, three hundred thirty-six thousand, seven hundred seven".