194077742 has 8 divisors (see below), whose sum is σ = 306438600. Its totient is φ = 91931544.

The previous prime is 194077693. The next prime is 194077759. The reversal of 194077742 is 247770491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 194077742.

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 3 ways as a sum of consecutive naturals, for example, 2553617 + ... + 2553692.

It is an arithmetic number, because the mean of its divisors is an integer number (38304825).

Almost surely, 2^194077742 is an apocalyptic number.

194077742 is a deficient number, since it is larger than the sum of its proper divisors (112360858).

194077742 is a wasteful number, since it uses less digits than its factorization.

194077742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107330.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 194077742 is about 13931.1787728103. The cubic root of 194077742 is about 578.9733542603.

The spelling of 194077742 in words is "one hundred ninety-four million, seventy-seven thousand, seven hundred forty-two".