66760012 has 12 divisors (see below), whose sum is σ = 127451016. Its totient is φ = 30345440.

The previous prime is 66760009. The next prime is 66760027. The reversal of 66760012 is 21006766.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758593 + ... + 758680.

It is an arithmetic number, because the mean of its divisors is an integer number (10620918).

Almost surely, 2^66760012 is an apocalyptic number.

It is an amenable number.

66760012 is a deficient number, since it is larger than the sum of its proper divisors (60691004).

66760012 is a wasteful number, since it uses less digits than its factorization.

66760012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517288 (or 1517286 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66760012 is about 8170.6800206592. The cubic root of 66760012 is about 405.6692931705.

Adding to 66760012 its reverse (21006766), we get a palindrome (87766778).

The spelling of 66760012 in words is "sixty-six million, seven hundred sixty thousand, twelve".