66876752 has 20 divisors (see below), whose sum is σ = 131137440. Its totient is φ = 33034848.

The previous prime is 66876749. The next prime is 66876757. The reversal of 66876752 is 25767866.

It is a junction number, because it is equal to n+sod(n) for n = 66876697 and 66876706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66876757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23852 + ... + 26507.

It is an arithmetic number, because the mean of its divisors is an integer number (6556872).

Almost surely, 2^66876752 is an apocalyptic number.

It is an amenable number.

66876752 is a deficient number, since it is larger than the sum of its proper divisors (64260688).

66876752 is a wasteful number, since it uses less digits than its factorization.

66876752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50450 (or 50444 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 66876752 is about 8177.8207366021. The cubic root of 66876752 is about 405.9056135592.

The spelling of 66876752 in words is "sixty-six million, eight hundred seventy-six thousand, seven hundred fifty-two".