189569072 has 40 divisors (see below), whose sum is σ = 457923072. Its totient is φ = 73857600.

The previous prime is 189569071. The next prime is 189569087. The reversal of 189569072 is 270965981.

It is not an unprimeable number, because it can be changed into a prime (189569071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75704 + ... + 78167.

Almost surely, 2^189569072 is an apocalyptic number.

It is an amenable number.

189569072 is an abundant number, since it is smaller than the sum of its proper divisors (268354000).

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

189569072 is a wasteful number, since it uses less digits than its factorization.

189569072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153897 (or 153891 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 189569072 is about 13768.4084773804. The cubic root of 189569072 is about 574.4547542097.

The spelling of 189569072 in words is "one hundred eighty-nine million, five hundred sixty-nine thousand, seventy-two".