194071970 has 16 divisors (see below), whose sum is σ = 350207928. Its totient is φ = 77433600.

The previous prime is 194071967. The next prime is 194071981. The reversal of 194071970 is 79170491.

It can be written as a sum of positive squares in 4 ways, for example, as 193794241 + 277729 = 13921^2 + 527^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20189 + ... + 28208.

Almost surely, 2^194071970 is an apocalyptic number.

194071970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194071970 is a deficient number, since it is larger than the sum of its proper divisors (156135958).

194071970 is a wasteful number, since it uses less digits than its factorization.

194071970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48805.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 194071970 is about 13930.9716100493. The cubic root of 194071970 is about 578.9676145203.

The spelling of 194071970 in words is "one hundred ninety-four million, seventy-one thousand, nine hundred seventy".