66757352 has 16 divisors (see below), whose sum is σ = 125388000. Its totient is φ = 33320560.

The previous prime is 66757337. The next prime is 66757357. The reversal of 66757352 is 25375766.

It is not an unprimeable number, because it can be changed into a prime (66757357) 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, 2174 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (7836750).

Almost surely, 2^66757352 is an apocalyptic number.

It is an amenable number.

66757352 is a deficient number, since it is larger than the sum of its proper divisors (58630648).

66757352 is a wasteful number, since it uses less digits than its factorization.

66757352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14536 (or 14532 counting only the distinct ones).

The product of its digits is 264600, while the sum is 41.

The square root of 66757352 is about 8170.5172418887. The cubic root of 66757352 is about 405.6639052413.

The spelling of 66757352 in words is "sixty-six million, seven hundred fifty-seven thousand, three hundred fifty-two".