1968704506 has 8 divisors (see below), whose sum is σ = 2953426644. Its totient is φ = 984228960.

The previous prime is 1968704501. The next prime is 1968704519. The reversal of 1968704506 is 6054078691.

It can be written as a sum of positive squares in 2 ways, for example, as 1897386481 + 71318025 = 43559^2 + 8445^2 .

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 (1968704501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40195 + ... + 74518.

Almost surely, 2^1968704506 is an apocalyptic number.

1968704506 is a deficient number, since it is larger than the sum of its proper divisors (984722138).

1968704506 is a wasteful number, since it uses less digits than its factorization.

1968704506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123296.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 1968704506 is about 44370.0857109833. The cubic root of 1968704506 is about 1253.3148296995.

The spelling of 1968704506 in words is "one billion, nine hundred sixty-eight million, seven hundred four thousand, five hundred six".