68263074 has 72 divisors (see below), whose sum is σ = 168818832. Its totient is φ = 20502720.

The previous prime is 68263037. The next prime is 68263079. The reversal of 68263074 is 47036286.

It is not an unprimeable number, because it can be changed into a prime (68263079) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 604042 + ... + 604154.

It is an arithmetic number, because the mean of its divisors is an integer number (2344706).

Almost surely, 2^68263074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68263074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84409416).

68263074 is an abundant number, since it is smaller than the sum of its proper divisors (100555758).

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

68263074 is a wasteful number, since it uses less digits than its factorization.

68263074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 68263074 is about 8262.1470575148. The cubic root of 68263074 is about 408.6911943009.

The spelling of 68263074 in words is "sixty-eight million, two hundred sixty-three thousand, seventy-four".