194729274 has 12 divisors (see below), whose sum is σ = 421913466. Its totient is φ = 64909752.

The previous prime is 194729243. The next prime is 194729299. The reversal of 194729274 is 472927491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 90383049 = 10215^2 + 9507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5409129 + ... + 5409164.

Almost surely, 2^194729274 is an apocalyptic number.

194729274 is an abundant number, since it is smaller than the sum of its proper divisors (227184192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194729274 is a wasteful number, since it uses less digits than its factorization.

194729274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818301 (or 10818298 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 194729274 is about 13954.5431311813. The cubic root of 194729274 is about 579.6205147432.

The spelling of 194729274 in words is "one hundred ninety-four million, seven hundred twenty-nine thousand, two hundred seventy-four".