66769298 has 8 divisors (see below), whose sum is σ = 100275840. Its totient is φ = 33344020.

The previous prime is 66769289. The next prime is 66769309. The reversal of 66769298 is 89296766.

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, 18218 + ... + 21573.

It is an arithmetic number, because the mean of its divisors is an integer number (12534480).

Almost surely, 2^66769298 is an apocalyptic number.

66769298 is a deficient number, since it is larger than the sum of its proper divisors (33506542).

66769298 is a wasteful number, since it uses less digits than its factorization.

66769298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40632.

The product of its digits is 1959552, while the sum is 53.

The square root of 66769298 is about 8171.2482522562. The cubic root of 66769298 is about 405.6881011879.

The spelling of 66769298 in words is "sixty-six million, seven hundred sixty-nine thousand, two hundred ninety-eight".