194975752 has 8 divisors (see below), whose sum is σ = 365579550. Its totient is φ = 97487872.

The previous prime is 194975749. The next prime is 194975779. The reversal of 194975752 is 257579491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 175668516 + 19307236 = 13254^2 + 4394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 194975696 and 194975705.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12185977 + ... + 12185992.

Almost surely, 2^194975752 is an apocalyptic number.

It is an amenable number.

194975752 is a deficient number, since it is larger than the sum of its proper divisors (170603798).

194975752 is a wasteful number, since it uses less digits than its factorization.

194975752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24371975 (or 24371971 counting only the distinct ones).

The product of its digits is 793800, while the sum is 49.

The square root of 194975752 is about 13963.3717991035. The cubic root of 194975752 is about 579.8649626173.

The spelling of 194975752 in words is "one hundred ninety-four million, nine hundred seventy-five thousand, seven hundred fifty-two".