667682342 has 8 divisors (see below), whose sum is σ = 1006713336. Its totient is φ = 332111232.

The previous prime is 667682333. The next prime is 667682369. The reversal of 667682342 is 243286766.

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

It is a junction number, because it is equal to n+sod(n) for n = 667682293 and 667682302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864488 + ... + 865259.

It is an arithmetic number, because the mean of its divisors is an integer number (125839167).

Almost surely, 2^667682342 is an apocalyptic number.

667682342 is a deficient number, since it is larger than the sum of its proper divisors (339030994).

667682342 is a wasteful number, since it uses less digits than its factorization.

667682342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729942.

The product of its digits is 580608, while the sum is 44.

The square root of 667682342 is about 25839.5499573812. The cubic root of 667682342 is about 874.0238766960.

The spelling of 667682342 in words is "six hundred sixty-seven million, six hundred eighty-two thousand, three hundred forty-two".