66372708 has 12 divisors (see below), whose sum is σ = 154869680. Its totient is φ = 22124232.

The previous prime is 66372703. The next prime is 66372721. The reversal of 66372708 is 80727366.

66372708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (66372701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765518 + ... + 2765541.

Almost surely, 2^66372708 is an apocalyptic number.

It is an amenable number.

66372708 is an abundant number, since it is smaller than the sum of its proper divisors (88496972).

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

66372708 is a wasteful number, since it uses less digits than its factorization.

66372708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531066 (or 5531064 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 66372708 is about 8146.9447033842. The cubic root of 66372708 is about 404.8832829341.

The spelling of 66372708 in words is "sixty-six million, three hundred seventy-two thousand, seven hundred eight".