66463702 has 4 divisors (see below), whose sum is σ = 99695556. Its totient is φ = 33231850.

The previous prime is 66463699. The next prime is 66463711. The reversal of 66463702 is 20736466.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 16615924 + ... + 16615927.

It is an arithmetic number, because the mean of its divisors is an integer number (24923889).

Almost surely, 2^66463702 is an apocalyptic number.

66463702 is a deficient number, since it is larger than the sum of its proper divisors (33231854).

66463702 is a wasteful number, since it uses less digits than its factorization.

66463702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33231853.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 66463702 is about 8152.5273381940. The cubic root of 66463702 is about 405.0682240399.

The spelling of 66463702 in words is "sixty-six million, four hundred sixty-three thousand, seven hundred two".