66754052 has 12 divisors (see below), whose sum is σ = 118298880. Its totient is φ = 32954376.

The previous prime is 66754033. The next prime is 66754057. The reversal of 66754052 is 25045766.

66754052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66754052² = 8912206916837408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (66754057) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 105308 + ... + 105939.

It is an arithmetic number, because the mean of its divisors is an integer number (9858240).

Almost surely, 2^66754052 is an apocalyptic number.

It is an amenable number.

66754052 is a deficient number, since it is larger than the sum of its proper divisors (51544828).

66754052 is a wasteful number, since it uses less digits than its factorization.

66754052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211330 (or 211328 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 66754052 is about 8170.3152937937. The cubic root of 66754052 is about 405.6572207693.

The spelling of 66754052 in words is "sixty-six million, seven hundred fifty-four thousand, fifty-two".