381169742 has 8 divisors (see below), whose sum is σ = 571837800. Its totient is φ = 190557144.

The previous prime is 381169739. The next prime is 381169751. The reversal of 381169742 is 247961183.

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 381169742.

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, 17609 + ... + 32747.

It is an arithmetic number, because the mean of its divisors is an integer number (71479725).

Almost surely, 2^381169742 is an apocalyptic number.

381169742 is a deficient number, since it is larger than the sum of its proper divisors (190668058).

381169742 is a wasteful number, since it uses less digits than its factorization.

381169742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27730.

The product of its digits is 72576, while the sum is 41.

The square root of 381169742 is about 19523.5688848120. The cubic root of 381169742 is about 725.0580957013.

The spelling of 381169742 in words is "three hundred eighty-one million, one hundred sixty-nine thousand, seven hundred forty-two".