66700468 has 24 divisors (see below), whose sum is σ = 121250304. Its totient is φ = 32071200.

The previous prime is 66700463. The next prime is 66700471. The reversal of 66700468 is 86400766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66700463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19098 + ... + 22318.

It is an arithmetic number, because the mean of its divisors is an integer number (5052096).

Almost surely, 2^66700468 is an apocalyptic number.

It is an amenable number.

66700468 is a deficient number, since it is larger than the sum of its proper divisors (54549836).

66700468 is a wasteful number, since it uses less digits than its factorization.

66700468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 66700468 is about 8167.0354474558. The cubic root of 66700468 is about 405.5486503053.

The spelling of 66700468 in words is "sixty-six million, seven hundred thousand, four hundred sixty-eight".