68943336 has 64 divisors (see below), whose sum is σ = 214894080. Its totient is φ = 17906880.

The previous prime is 68943331. The next prime is 68943341. The reversal of 68943336 is 63334986.

It is an interprime number because it is at equal distance from previous prime (68943331) and next prime (68943341).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (68943331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16806 + ... + 20501.

It is an arithmetic number, because the mean of its divisors is an integer number (3357720).

Almost surely, 2^68943336 is an apocalyptic number.

68943336 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68943336 is an abundant number, since it is smaller than the sum of its proper divisors (145950744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68943336 is a wasteful number, since it uses less digits than its factorization.

68943336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37334 (or 37330 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 68943336 is about 8303.2123903945. The cubic root of 68943336 is about 410.0442863128.

The spelling of 68943336 in words is "sixty-eight million, nine hundred forty-three thousand, three hundred thirty-six".