68911776 has 96 divisors (see below), whose sum is σ = 205390080. Its totient is φ = 22468608.

The previous prime is 68911747. The next prime is 68911793. The reversal of 68911776 is 67711986.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39760 + ... + 41456.

It is an arithmetic number, because the mean of its divisors is an integer number (2139480).

Almost surely, 2^68911776 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 68911776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102695040).

68911776 is an abundant number, since it is smaller than the sum of its proper divisors (136478304).

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

68911776 is a wasteful number, since it uses less digits than its factorization.

68911776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1749 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 68911776 is about 8301.3117035803. The cubic root of 68911776 is about 409.9817084840.

The spelling of 68911776 in words is "sixty-eight million, nine hundred eleven thousand, seven hundred seventy-six".