667240682 has 8 divisors (see below), whose sum is σ = 1004423652. Its totient is φ = 332432800.

The previous prime is 667240681. The next prime is 667240687. The reversal of 667240682 is 286042766.

667240682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 667240561 + 121 = 25831^2 + 11^2 .

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

It is not an unprimeable number, because it can be changed into a prime (667240681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593069 + ... + 594192.

Almost surely, 2^667240682 is an apocalyptic number.

667240682 is a deficient number, since it is larger than the sum of its proper divisors (337182970).

667240682 is a wasteful number, since it uses less digits than its factorization.

667240682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187544.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 667240682 is about 25831.0023421469. The cubic root of 667240682 is about 873.8311171017.

The spelling of 667240682 in words is "six hundred sixty-seven million, two hundred forty thousand, six hundred eighty-two".