1789021072 has 20 divisors (see below), whose sum is σ = 3467119360. Its totient is φ = 894280608.

The previous prime is 1789021043. The next prime is 1789021079. The reversal of 1789021072 is 2701209871.

It is not an unprimeable number, because it can be changed into a prime (1789021079) 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 3 ways as a sum of consecutive naturals, for example, 62173 + ... + 86275.

It is an arithmetic number, because the mean of its divisors is an integer number (173355968).

Almost surely, 2^1789021072 is an apocalyptic number.

It is an amenable number.

1789021072 is a deficient number, since it is larger than the sum of its proper divisors (1678098288).

1789021072 is a wasteful number, since it uses less digits than its factorization.

1789021072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28750 (or 28744 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 1789021072 is about 42296.8210625811. The cubic root of 1789021072 is about 1213.9621663575.

The spelling of 1789021072 in words is "one billion, seven hundred eighty-nine million, twenty-one thousand, seventy-two".