194728070 has 16 divisors (see below), whose sum is σ = 350686368. Its totient is φ = 77852160.

The previous prime is 194728057. The next prime is 194728099. The reversal of 194728070 is 70827491.

194728070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent 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, 24422 + ... + 31398.

It is an arithmetic number, because the mean of its divisors is an integer number (21917898).

Almost surely, 2^194728070 is an apocalyptic number.

194728070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 13954×13955.

194728070 is a deficient number, since it is larger than the sum of its proper divisors (155958298).

194728070 is a wasteful number, since it uses less digits than its factorization.

194728070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 194728070 is about 13954.4999910423. The cubic root of 194728070 is about 579.6193201539.

The spelling of 194728070 in words is "one hundred ninety-four million, seven hundred twenty-eight thousand, seventy".