68069936 has 40 divisors (see below), whose sum is σ = 147777744. Its totient is φ = 30101760.

The previous prime is 68069929. The next prime is 68069983. The reversal of 68069936 is 63996086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286 + ... + 11738.

Almost surely, 2^68069936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68069936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73888872).

68069936 is an abundant number, since it is smaller than the sum of its proper divisors (79707808).

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

68069936 is a wasteful number, since it uses less digits than its factorization.

68069936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509 (or 10503 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 68069936 is about 8250.4506543582. The cubic root of 68069936 is about 408.3053909890.

The spelling of 68069936 in words is "sixty-eight million, sixty-nine thousand, nine hundred thirty-six".