10019728 has 20 divisors (see below), whose sum is σ = 19661440. Its totient is φ = 4945824.

The previous prime is 10019717. The next prime is 10019729. The reversal of 10019728 is 82791001.

It is a junction number, because it is equal to n+sod(n) for n = 10019696 and 10019705.

It is not an unprimeable number, because it can be changed into a prime (10019729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2700 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (983072).

Almost surely, 2^10019728 is an apocalyptic number.

It is an amenable number.

10019728 is a deficient number, since it is larger than the sum of its proper divisors (9641712).

10019728 is an equidigital number, since it uses as much as digits as its factorization.

10019728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014 (or 8008 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 10019728 is about 3165.3953939437. The cubic root of 10019728 is about 215.5850515645.

The spelling of 10019728 in words is "ten million, nineteen thousand, seven hundred twenty-eight".