68494328 has 32 divisors (see below), whose sum is σ = 147225600. Its totient is φ = 29264352.

The previous prime is 68494291. The next prime is 68494337. The reversal of 68494328 is 82349486.

It is a super-4 number, since 4×68494328⁴ (a number of 32 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 18401 + ... + 21807.

It is an arithmetic number, because the mean of its divisors is an integer number (4600800).

Almost surely, 2^68494328 is an apocalyptic number.

It is an amenable number.

68494328 is an abundant number, since it is smaller than the sum of its proper divisors (78731272).

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

68494328 is a wasteful number, since it uses less digits than its factorization.

68494328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779 (or 3775 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 68494328 is about 8276.1300134785. The cubic root of 68494328 is about 409.1521802249.

The spelling of 68494328 in words is "sixty-eight million, four hundred ninety-four thousand, three hundred twenty-eight".