100728546 has 32 divisors (see below), whose sum is σ = 210981888. Its totient is φ = 31999440.

The previous prime is 100728533. The next prime is 100728547. The reversal of 100728546 is 645827001.

It is not an unprimeable number, because it can be changed into a prime (100728547) 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 15 ways as a sum of consecutive naturals, for example, 41745 + ... + 44091.

It is an arithmetic number, because the mean of its divisors is an integer number (6593184).

Almost surely, 2^100728546 is an apocalyptic number.

100728546 is an abundant number, since it is smaller than the sum of its proper divisors (110253342).

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

100728546 is a wasteful number, since it uses less digits than its factorization.

100728546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 100728546 is about 10036.3611931815. The cubic root of 100728546 is about 465.2833606477.

The spelling of 100728546 in words is "one hundred million, seven hundred twenty-eight thousand, five hundred forty-six".