190563742 has 8 divisors (see below), whose sum is σ = 285910632. Its totient is φ = 95260200.

The previous prime is 190563739. The next prime is 190563743. The reversal of 190563742 is 247365091.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190563743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4492 + ... + 20032.

It is an arithmetic number, because the mean of its divisors is an integer number (35738829).

Almost surely, 2^190563742 is an apocalyptic number.

190563742 is a deficient number, since it is larger than the sum of its proper divisors (95346890).

190563742 is a wasteful number, since it uses less digits than its factorization.

190563742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21674.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 190563742 is about 13804.4826777391. The cubic root of 190563742 is about 575.4577245080.

The spelling of 190563742 in words is "one hundred ninety million, five hundred sixty-three thousand, seven hundred forty-two".