63760066 has 8 divisors (see below), whose sum is σ = 95675580. Its totient is φ = 31868208.

The previous prime is 63760027. The next prime is 63760069. The reversal of 63760066 is 66006736.

It can be written as a sum of positive squares in 2 ways, for example, as 59675625 + 4084441 = 7725^2 + 2021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63760069) 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, 4480 + ... + 12148.

Almost surely, 2^63760066 is an apocalyptic number.

63760066 is a deficient number, since it is larger than the sum of its proper divisors (31915514).

63760066 is a wasteful number, since it uses less digits than its factorization.

63760066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 63760066 is about 7984.9900438260. The cubic root of 63760066 is about 399.4995115394.

The spelling of 63760066 in words is "sixty-three million, seven hundred sixty thousand, sixty-six".