192172072 has 16 divisors (see below), whose sum is σ = 360507060. Its totient is φ = 96036864.

The previous prime is 192172051. The next prime is 192172091. The reversal of 192172072 is 270271291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 184253476 + 7918596 = 13574^2 + 2814^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14568 + ... + 24424.

Almost surely, 2^192172072 is an apocalyptic number.

It is an amenable number.

192172072 is a deficient number, since it is larger than the sum of its proper divisors (168334988).

192172072 is a wasteful number, since it uses less digits than its factorization.

192172072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12300 (or 12296 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 192172072 is about 13862.6141834792. The cubic root of 192172072 is about 577.0721174753.

The spelling of 192172072 in words is "one hundred ninety-two million, one hundred seventy-two thousand, seventy-two".