68318428 has 24 divisors (see below), whose sum is σ = 123177152. Its totient is φ = 33130944.

The previous prime is 68318413. The next prime is 68318473. The reversal of 68318428 is 82481386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68026 + ... + 69022.

Almost surely, 2^68318428 is an apocalyptic number.

It is an amenable number.

68318428 is a deficient number, since it is larger than the sum of its proper divisors (54858724).

68318428 is a wasteful number, since it uses less digits than its factorization.

68318428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1499 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 68318428 is about 8265.4962343467. The cubic root of 68318428 is about 408.8016326338.

The spelling of 68318428 in words is "sixty-eight million, three hundred eighteen thousand, four hundred twenty-eight".