192945427 has 4 divisors (see below), whose sum is σ = 204295176. Its totient is φ = 181595680.

The previous prime is 192945419. The next prime is 192945433. The reversal of 192945427 is 724549291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724549291 = 479 ⋅1512629.

It is a cyclic number.

It is not a de Polignac number, because 192945427 - 2³ = 192945419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192945227) 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 3 ways as a sum of consecutive naturals, for example, 5674849 + ... + 5674882.

It is an arithmetic number, because the mean of its divisors is an integer number (51073794).

Almost surely, 2^192945427 is an apocalyptic number.

192945427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

192945427 is a deficient number, since it is larger than the sum of its proper divisors (11349749).

192945427 is a wasteful number, since it uses less digits than its factorization.

192945427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349748.

The product of its digits is 181440, while the sum is 43.

The square root of 192945427 is about 13890.4797253371. The cubic root of 192945427 is about 577.8451820921.

The spelling of 192945427 in words is "one hundred ninety-two million, nine hundred forty-five thousand, four hundred twenty-seven".