192973147 has 2 divisors, whose sum is σ = 192973148. Its totient is φ = 192973146.

The previous prime is 192973133. The next prime is 192973169. The reversal of 192973147 is 741379291.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 192973147 - 2¹⁵ = 192940379 is a prime.

It is not a weakly prime, because it can be changed into another prime (192973127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96486573 + 96486574.

It is an arithmetic number, because the mean of its divisors is an integer number (96486574).

Almost surely, 2^192973147 is an apocalyptic number.

192973147 is a deficient number, since it is larger than the sum of its proper divisors (1).

192973147 is an equidigital number, since it uses as much as digits as its factorization.

192973147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 192973147 is about 13891.4774952127. The cubic root of 192973147 is about 577.8728533041.

It can be divided in two parts, 1929 and 73147, that added together give a square (75076 = 274²).

The spelling of 192973147 in words is "one hundred ninety-two million, nine hundred seventy-three thousand, one hundred forty-seven".