192191272 has 128 divisors (see below), whose sum is σ = 467389440. Its totient is φ = 72069120.

The previous prime is 192191257. The next prime is 192191281. The reversal of 192191272 is 272191291.

It is a happy number.

192191272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402788 + ... + 1402924.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^192191272 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 192191272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233694720).

192191272 is an abundant number, since it is smaller than the sum of its proper divisors (275198168).

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

192191272 is a wasteful number, since it uses less digits than its factorization.

192191272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 247 counting only the distinct ones).

The product of its digits is 4536, while the sum is 34.

The square root of 192191272 is about 13863.3066762587. The cubic root of 192191272 is about 577.0913353488.

The spelling of 192191272 in words is "one hundred ninety-two million, one hundred ninety-one thousand, two hundred seventy-two".