68428116 has 36 divisors (see below), whose sum is σ = 173269824. Its totient is φ = 22770000.

The previous prime is 68428097. The next prime is 68428117. The reversal of 68428116 is 61182486.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68428117) 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, 25771 + ... + 28301.

Almost surely, 2^68428116 is an apocalyptic number.

It is an amenable number.

68428116 is an abundant number, since it is smaller than the sum of its proper divisors (104841708).

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

68428116 is a wasteful number, since it uses less digits than its factorization.

68428116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292 (or 3287 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 68428116 is about 8272.1288674682. The cubic root of 68428116 is about 409.0202981698.

The spelling of 68428116 in words is "sixty-eight million, four hundred twenty-eight thousand, one hundred sixteen".