66102748 has 12 divisors (see below), whose sum is σ = 121768360. Its totient is φ = 31311792.

The previous prime is 66102737. The next prime is 66102761. The reversal of 66102748 is 84720166.

It is a congruent number.

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, 434811 + ... + 434962.

Almost surely, 2^66102748 is an apocalyptic number.

It is an amenable number.

66102748 is a deficient number, since it is larger than the sum of its proper divisors (55665612).

66102748 is a wasteful number, since it uses less digits than its factorization.

66102748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869796 (or 869794 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 66102748 is about 8130.3596476417. The cubic root of 66102748 is about 404.3336051133. Note that the first 3 decimals are identical.

The spelling of 66102748 in words is "sixty-six million, one hundred two thousand, seven hundred forty-eight".