68849926 has 4 divisors (see below), whose sum is σ = 103274892. Its totient is φ = 34424962.

The previous prime is 68849917. The next prime is 68849927. The reversal of 68849926 is 62994886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62994886 = 2 ⋅31497443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68849927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17212480 + ... + 17212483.

It is an arithmetic number, because the mean of its divisors is an integer number (25818723).

Almost surely, 2^68849926 is an apocalyptic number.

68849926 is a deficient number, since it is larger than the sum of its proper divisors (34424966).

68849926 is a wasteful number, since it uses less digits than its factorization.

68849926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34424965.

The product of its digits is 1492992, while the sum is 52.

The square root of 68849926 is about 8297.5855524363. The cubic root of 68849926 is about 409.8590155752.

The spelling of 68849926 in words is "sixty-eight million, eight hundred forty-nine thousand, nine hundred twenty-six".