68003956 has 24 divisors (see below), whose sum is σ = 127088640. Its totient is φ = 31768800.

The previous prime is 68003917. The next prime is 68003963. The reversal of 68003956 is 65930086.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5860 + ... + 13051.

It is an arithmetic number, because the mean of its divisors is an integer number (5295360).

Almost surely, 2^68003956 is an apocalyptic number.

It is an amenable number.

68003956 is a deficient number, since it is larger than the sum of its proper divisors (59084684).

68003956 is a wasteful number, since it uses less digits than its factorization.

68003956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18975 (or 18973 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 68003956 is about 8246.4511154799. The cubic root of 68003956 is about 408.1734252478.

The spelling of 68003956 in words is "sixty-eight million, three thousand, nine hundred fifty-six".