66984752 has 10 divisors (see below), whose sum is σ = 129782988. Its totient is φ = 33492368.

The previous prime is 66984721. The next prime is 66984761. The reversal of 66984752 is 25748966.

It is a junction number, because it is equal to n+sod(n) for n = 66984697 and 66984706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093258 + ... + 2093289.

Almost surely, 2^66984752 is an apocalyptic number.

It is an amenable number.

66984752 is a deficient number, since it is larger than the sum of its proper divisors (62798236).

66984752 is a wasteful number, since it uses less digits than its factorization.

66984752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186555 (or 4186549 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 66984752 is about 8184.4212990290. The cubic root of 66984752 is about 406.1239965201.

The spelling of 66984752 in words is "sixty-six million, nine hundred eighty-four thousand, seven hundred fifty-two".