194798074 has 4 divisors (see below), whose sum is σ = 292197114. Its totient is φ = 97399036.

The previous prime is 194798069. The next prime is 194798077. The reversal of 194798074 is 470897491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470897491 = 61 ⋅7719631.

It can be written as a sum of positive squares in only one way, i.e., 194797849 + 225 = 13957^2 + 15^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (194798077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48699517 + ... + 48699520.

Almost surely, 2^194798074 is an apocalyptic number.

194798074 is a deficient number, since it is larger than the sum of its proper divisors (97399040).

194798074 is an equidigital number, since it uses as much as digits as its factorization.

194798074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97399039.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 194798074 is about 13957.0080604691. The cubic root of 194798074 is about 579.6887688122.

The spelling of 194798074 in words is "one hundred ninety-four million, seven hundred ninety-eight thousand, seventy-four".