66748088 has 16 divisors (see below), whose sum is σ = 136530360. Its totient is φ = 30340000.

The previous prime is 66748081. The next prime is 66748109. The reversal of 66748088 is 88084766.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66748081) 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, 379163 + ... + 379338.

Almost surely, 2^66748088 is an apocalyptic number.

It is an amenable number.

66748088 is an abundant number, since it is smaller than the sum of its proper divisors (69782272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66748088 is a wasteful number, since it uses less digits than its factorization.

66748088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758518 (or 758514 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 66748088 is about 8169.9503058464. The cubic root of 66748088 is about 405.6451395466.

The spelling of 66748088 in words is "sixty-six million, seven hundred forty-eight thousand, eighty-eight".