108407728 has 40 divisors (see below), whose sum is σ = 246765456. Its totient is φ = 45484800.

The previous prime is 108407707. The next prime is 108407729. The reversal of 108407728 is 827704801.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (108407729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21403 + ... + 25978.

Almost surely, 2^108407728 is an apocalyptic number.

It is an amenable number.

108407728 is an abundant number, since it is smaller than the sum of its proper divisors (138357728).

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

108407728 is a wasteful number, since it uses less digits than its factorization.

108407728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413 (or 47407 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 108407728 is about 10411.9031881784. The cubic root of 108407728 is about 476.8188480680.

The spelling of 108407728 in words is "one hundred eight million, four hundred seven thousand, seven hundred twenty-eight".