68715328 has 28 divisors (see below), whose sum is σ = 148754592. Its totient is φ = 31233920.

The previous prime is 68715307. The next prime is 68715337. The reversal of 68715328 is 82351786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48100 + ... + 49507.

It is an arithmetic number, because the mean of its divisors is an integer number (5312664).

Almost surely, 2^68715328 is an apocalyptic number.

It is an amenable number.

68715328 is an abundant number, since it is smaller than the sum of its proper divisors (80039264).

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

68715328 is a wasteful number, since it uses less digits than its factorization.

68715328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97630 (or 97620 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 68715328 is about 8289.4709119461. The cubic root of 68715328 is about 409.5917570363.

The spelling of 68715328 in words is "sixty-eight million, seven hundred fifteen thousand, three hundred twenty-eight".