189367072 has 48 divisors (see below), whose sum is σ = 394148160. Its totient is φ = 89309952.

The previous prime is 189366979. The next prime is 189367093. The reversal of 189367072 is 270763981.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177613 + ... + 178675.

It is an arithmetic number, because the mean of its divisors is an integer number (8211420).

Almost surely, 2^189367072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189367072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197074080).

189367072 is an abundant number, since it is smaller than the sum of its proper divisors (204781088).

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

189367072 is a wasteful number, since it uses less digits than its factorization.

189367072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 189367072 is about 13761.0708885610. The cubic root of 189367072 is about 574.2506402159.

The spelling of 189367072 in words is "one hundred eighty-nine million, three hundred sixty-seven thousand, seventy-two".