68776328 has 8 divisors (see below), whose sum is σ = 128955630. Its totient is φ = 34388160.

The previous prime is 68776319. The next prime is 68776349. The reversal of 68776328 is 82367786.

It can be written as a sum of positive squares in only one way, i.e., 50951044 + 17825284 = 7138^2 + 4222^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4298513 + ... + 4298528.

Almost surely, 2^68776328 is an apocalyptic number.

It is an amenable number.

68776328 is a deficient number, since it is larger than the sum of its proper divisors (60179302).

68776328 is a wasteful number, since it uses less digits than its factorization.

68776328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8597047 (or 8597043 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 68776328 is about 8293.1494620560. The cubic root of 68776328 is about 409.7129221789.

The spelling of 68776328 in words is "sixty-eight million, seven hundred seventy-six thousand, three hundred twenty-eight".