66715362 has 36 divisors (see below), whose sum is σ = 168152166. Its totient is φ = 19061280.

The previous prime is 66715349. The next prime is 66715381. The reversal of 66715362 is 26351766.

It can be written as a sum of positive squares in only one way, i.e., 34327881 + 32387481 = 5859^2 + 5691^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 36939 + ... + 38702.

Almost surely, 2^66715362 is an apocalyptic number.

66715362 is an abundant number, since it is smaller than the sum of its proper divisors (101436804).

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

66715362 is a wasteful number, since it uses less digits than its factorization.

66715362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75663 (or 75653 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 66715362 is about 8167.9472329344. The cubic root of 66715362 is about 405.5788339619.

The spelling of 66715362 in words is "sixty-six million, seven hundred fifteen thousand, three hundred sixty-two".