100728588 has 12 divisors (see below), whose sum is σ = 235033400. Its totient is φ = 33576192.

The previous prime is 100728547. The next prime is 100728637. The reversal of 100728588 is 885827001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197013 + ... + 4197036.

Almost surely, 2^100728588 is an apocalyptic number.

It is an amenable number.

100728588 is an abundant number, since it is smaller than the sum of its proper divisors (134304812).

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

100728588 is a wasteful number, since it uses less digits than its factorization.

100728588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394056 (or 8394054 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 100728588 is about 10036.3632855731. The cubic root of 100728588 is about 465.2834253162.

The spelling of 100728588 in words is "one hundred million, seven hundred twenty-eight thousand, five hundred eighty-eight".