194744427 has 16 divisors (see below), whose sum is σ = 275546880. Its totient is φ = 122077472.

The previous prime is 194744423. The next prime is 194744437. The reversal of 194744427 is 724447491.

It is a cyclic number.

It is not a de Polignac number, because 194744427 - 2² = 194744423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194744423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19848 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (17221680).

Almost surely, 2^194744427 is an apocalyptic number.

194744427 is a deficient number, since it is larger than the sum of its proper divisors (80802453).

194744427 is a wasteful number, since it uses less digits than its factorization.

194744427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47922.

The product of its digits is 225792, while the sum is 42.

The square root of 194744427 is about 13955.0860620779. The cubic root of 194744427 is about 579.6355488838.

The spelling of 194744427 in words is "one hundred ninety-four million, seven hundred forty-four thousand, four hundred twenty-seven".