66753488 has 20 divisors (see below), whose sum is σ = 129628608. Its totient is φ = 33300960.

The previous prime is 66753487. The next prime is 66753503. The reversal of 66753488 is 88435766.

It is a super-2 number, since 2×66753488² = 8912056320332288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66753481) 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, 2903 + ... + 11913.

Almost surely, 2^66753488 is an apocalyptic number.

It is an amenable number.

66753488 is a deficient number, since it is larger than the sum of its proper divisors (62875120).

66753488 is a wasteful number, since it uses less digits than its factorization.

66753488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9482 (or 9476 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 66753488 is about 8170.2807785290. The cubic root of 66753488 is about 405.6560783103.

The spelling of 66753488 in words is "sixty-six million, seven hundred fifty-three thousand, four hundred eighty-eight".