68943330 has 48 divisors (see below), whose sum is σ = 189801144. Its totient is φ = 17303040.

The previous prime is 68943311. The next prime is 68943331. The reversal of 68943330 is 3334986.

It can be written as a sum of positive squares in 4 ways, for example, as 68608089 + 335241 = 8283^2 + 579^2 .

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 23 ways as a sum of consecutive naturals, for example, 21001 + ... + 24060.

Almost surely, 2^68943330 is an apocalyptic number.

68943330 is an abundant number, since it is smaller than the sum of its proper divisors (120857814).

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

68943330 is a wasteful number, since it uses less digits than its factorization.

68943330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45091 (or 45088 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 68943330 is about 8303.2120290885. The cubic root of 68943330 is about 410.0442744177.

The spelling of 68943330 in words is "sixty-eight million, nine hundred forty-three thousand, three hundred thirty".