108530728 has 8 divisors (see below), whose sum is σ = 203495130. Its totient is φ = 54265360.

The previous prime is 108530711. The next prime is 108530759. The reversal of 108530728 is 827035801.

It can be written as a sum of positive squares in only one way, i.e., 97653924 + 10876804 = 9882^2 + 3298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 108530693 and 108530702.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6783163 + ... + 6783178.

Almost surely, 2^108530728 is an apocalyptic number.

It is an amenable number.

108530728 is a deficient number, since it is larger than the sum of its proper divisors (94964402).

108530728 is a wasteful number, since it uses less digits than its factorization.

108530728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566347 (or 13566343 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 108530728 is about 10417.8082147830. The cubic root of 108530728 is about 476.9991136644. Note that the first 3 decimals are identical.

It can be divided in two parts, 1085 and 30728, that added together give a palindrome (31813).

The spelling of 108530728 in words is "one hundred eight million, five hundred thirty thousand, seven hundred twenty-eight".