68471328 has 24 divisors (see below), whose sum is σ = 179737488. Its totient is φ = 22823744.

The previous prime is 68471317. The next prime is 68471369. The reversal of 68471328 is 82317486.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356526 + ... + 356717.

It is an arithmetic number, because the mean of its divisors is an integer number (7489062).

Almost surely, 2^68471328 is an apocalyptic number.

It is an amenable number.

68471328 is an abundant number, since it is smaller than the sum of its proper divisors (111266160).

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

68471328 is a wasteful number, since it uses less digits than its factorization.

68471328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713256 (or 713248 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 68471328 is about 8274.7403584644. The cubic root of 68471328 is about 409.1063781176.

The spelling of 68471328 in words is "sixty-eight million, four hundred seventy-one thousand, three hundred twenty-eight".