66708952 has 32 divisors (see below), whose sum is σ = 134431920. Its totient is φ = 30919680.

The previous prime is 66708949. The next prime is 66708977. The reversal of 66708952 is 25980766.

It is a junction number, because it is equal to n+sod(n) for n = 66708899 and 66708908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5452 + ... + 12772.

Almost surely, 2^66708952 is an apocalyptic number.

It is an amenable number.

66708952 is an abundant number, since it is smaller than the sum of its proper divisors (67722968).

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

66708952 is a wasteful number, since it uses less digits than its factorization.

66708952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411 (or 7407 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 66708952 is about 8167.5548360571. The cubic root of 66708952 is about 405.5658442321.

The spelling of 66708952 in words is "sixty-six million, seven hundred eight thousand, nine hundred fifty-two".