68393628 has 36 divisors (see below), whose sum is σ = 180402768. Its totient is φ = 21806400.

The previous prime is 68393623. The next prime is 68393639. The reversal of 68393628 is 82639386.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68393621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40473 + ... + 42128.

It is an arithmetic number, because the mean of its divisors is an integer number (5011188).

Almost surely, 2^68393628 is an apocalyptic number.

It is an amenable number.

68393628 is an abundant number, since it is smaller than the sum of its proper divisors (112009140).

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

68393628 is a wasteful number, since it uses less digits than its factorization.

68393628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82634 (or 82629 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 68393628 is about 8270.0440143932. The cubic root of 68393628 is about 408.9515707548.

The spelling of 68393628 in words is "sixty-eight million, three hundred ninety-three thousand, six hundred twenty-eight".