68065504 has 48 divisors (see below), whose sum is σ = 145530000. Its totient is φ = 31150080.

The previous prime is 68065493. The next prime is 68065507. The reversal of 68065504 is 40556086.

It is a self number, because there is not a number n which added to its sum of digits gives 68065504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68065507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53872 + ... + 55120.

It is an arithmetic number, because the mean of its divisors is an integer number (3031875).

Almost surely, 2^68065504 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 68065504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72765000).

68065504 is an abundant number, since it is smaller than the sum of its proper divisors (77464496).

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

68065504 is a wasteful number, since it uses less digits than its factorization.

68065504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 68065504 is about 8250.1820585973. The cubic root of 68065504 is about 408.2965292758.

The spelling of 68065504 in words is "sixty-eight million, sixty-five thousand, five hundred four".