68949836 has 12 divisors (see below), whose sum is σ = 121010400. Its totient is φ = 34375440.

The previous prime is 68949809. The next prime is 68949851. The reversal of 68949836 is 63894986.

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 3 ways as a sum of consecutive naturals, for example, 23300 + ... + 26091.

It is an arithmetic number, because the mean of its divisors is an integer number (10084200).

Almost surely, 2^68949836 is an apocalyptic number.

It is an amenable number.

68949836 is a deficient number, since it is larger than the sum of its proper divisors (52060564).

68949836 is a wasteful number, since it uses less digits than its factorization.

68949836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49744 (or 49742 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 68949836 is about 8303.6037959431. The cubic root of 68949836 is about 410.0571722771.

The spelling of 68949836 in words is "sixty-eight million, nine hundred forty-nine thousand, eight hundred thirty-six".