66807482 has 16 divisors (see below), whose sum is σ = 116865600. Its totient is φ = 28631484.

The previous prime is 66807457. The next prime is 66807547. The reversal of 66807482 is 28470866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48008 + ... + 49379.

It is an arithmetic number, because the mean of its divisors is an integer number (7304100).

Almost surely, 2^66807482 is an apocalyptic number.

66807482 is a deficient number, since it is larger than the sum of its proper divisors (50058118).

66807482 is an equidigital number, since it uses as much as digits as its factorization.

66807482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97410 (or 97396 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 66807482 is about 8173.5844034304. The cubic root of 66807482 is about 405.7654213680.

The spelling of 66807482 in words is "sixty-six million, eight hundred seven thousand, four hundred eighty-two".