68741904 has 120 divisors (see below), whose sum is σ = 225440928. Its totient is φ = 17848320.

The previous prime is 68741899. The next prime is 68741921. The reversal of 68741904 is 40914786.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24544 + ... + 27200.

Almost surely, 2^68741904 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 68741904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112720464).

68741904 is an abundant number, since it is smaller than the sum of its proper divisors (156699024).

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

68741904 is a wasteful number, since it uses less digits than its factorization.

68741904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 68741904 is about 8291.0737543457. The cubic root of 68741904 is about 409.6445541236.

It can be divided in two parts, 6874 and 1904, that added together give a palindrome (8778).

The spelling of 68741904 in words is "sixty-eight million, seven hundred forty-one thousand, nine hundred four".