68613946 has 8 divisors (see below), whose sum is σ = 103940244. Its totient is φ = 33967200.

The previous prime is 68613929. The next prime is 68613967. The reversal of 68613946 is 64931686.

It can be written as a sum of positive squares in 2 ways, for example, as 60140025 + 8473921 = 7755^2 + 2911^2 .

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, 169635 + ... + 170038.

Almost surely, 2^68613946 is an apocalyptic number.

68613946 is a deficient number, since it is larger than the sum of its proper divisors (35326298).

68613946 is a wasteful number, since it uses less digits than its factorization.

68613946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339776.

The product of its digits is 186624, while the sum is 43.

The square root of 68613946 is about 8283.3535479297. The cubic root of 68613946 is about 409.3902218453.

The spelling of 68613946 in words is "sixty-eight million, six hundred thirteen thousand, nine hundred forty-six".