66574882 has 8 divisors (see below), whose sum is σ = 108940752. Its totient is φ = 30261300.

The previous prime is 66574861. The next prime is 66574897. The reversal of 66574882 is 28847566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513044 + ... + 1513087.

It is an arithmetic number, because the mean of its divisors is an integer number (13617594).

Almost surely, 2^66574882 is an apocalyptic number.

66574882 is a deficient number, since it is larger than the sum of its proper divisors (42365870).

66574882 is a wasteful number, since it uses less digits than its factorization.

66574882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026144.

The product of its digits is 645120, while the sum is 46.

The square root of 66574882 is about 8159.3432333736. The cubic root of 66574882 is about 405.2939632802.

The spelling of 66574882 in words is "sixty-six million, five hundred seventy-four thousand, eight hundred eighty-two".