19128074 has 8 divisors (see below), whose sum is σ = 32791008. Its totient is φ = 8197740.

The previous prime is 19128049. The next prime is 19128089. The reversal of 19128074 is 47082191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 19128074.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 683132 + ... + 683159.

It is an arithmetic number, because the mean of its divisors is an integer number (4098876).

Almost surely, 2^19128074 is an apocalyptic number.

19128074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19128074 is a deficient number, since it is larger than the sum of its proper divisors (13662934).

19128074 is a wasteful number, since it uses less digits than its factorization.

19128074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366300.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 19128074 is about 4373.5653647796. The cubic root of 19128074 is about 267.4383891648.

The spelling of 19128074 in words is "nineteen million, one hundred twenty-eight thousand, seventy-four".