66727336 has 32 divisors (see below), whose sum is σ = 138033000. Its totient is φ = 30044160.

The previous prime is 66727327. The next prime is 66727337. The reversal of 66727336 is 63372766.

It can be written as a sum of positive squares in 4 ways, for example, as 16402500 + 50324836 = 4050^2 + 7094^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66727337) 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, 3561 + ... + 12088.

Almost surely, 2^66727336 is an apocalyptic number.

It is an amenable number.

66727336 is an abundant number, since it is smaller than the sum of its proper divisors (71305664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66727336 is a wasteful number, since it uses less digits than its factorization.

66727336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15709 (or 15705 counting only the distinct ones).

The product of its digits is 190512, while the sum is 40.

The square root of 66727336 is about 8168.6801871539. The cubic root of 66727336 is about 405.6030967919.

The spelling of 66727336 in words is "sixty-six million, seven hundred twenty-seven thousand, three hundred thirty-six".