107320728 has 48 divisors (see below), whose sum is σ = 285031080. Its totient is φ = 33667072.

The previous prime is 107320727. The next prime is 107320751. The reversal of 107320728 is 827023701.

It is a junction number, because it is equal to n+sod(n) for n = 107320695 and 107320704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107320727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801 + ... + 14672.

Almost surely, 2^107320728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107320728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142515540).

107320728 is an abundant number, since it is smaller than the sum of its proper divisors (177710352).

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

107320728 is a wasteful number, since it uses less digits than its factorization.

107320728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516 (or 15495 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 107320728 is about 10359.5718058229. The cubic root of 107320728 is about 475.2198103612.

The spelling of 107320728 in words is "one hundred seven million, three hundred twenty thousand, seven hundred twenty-eight".