66745348 has 6 divisors (see below), whose sum is σ = 116804366. Its totient is φ = 33372672.

The previous prime is 66745337. The next prime is 66745397. The reversal of 66745348 is 84354766.

66745348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 26193924 = 6368^2 + 5118^2 .

It is a super-2 number, since 2×66745348² = 8909882959282208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8343165 + ... + 8343172.

Almost surely, 2^66745348 is an apocalyptic number.

It is an amenable number.

66745348 is a deficient number, since it is larger than the sum of its proper divisors (50059018).

66745348 is a wasteful number, since it uses less digits than its factorization.

66745348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686341 (or 16686339 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 66745348 is about 8169.7826164470. The cubic root of 66745348 is about 405.6395889112.

The spelling of 66745348 in words is "sixty-six million, seven hundred forty-five thousand, three hundred forty-eight".