811743342 has 8 divisors (see below), whose sum is σ = 1623486696. Its totient is φ = 270581112.

The previous prime is 811743329. The next prime is 811743343. The reversal of 811743342 is 243347118.

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

811743342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811743343) by changing a digit.

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, 67645273 + ... + 67645284.

It is an arithmetic number, because the mean of its divisors is an integer number (202935837).

Almost surely, 2^811743342 is an apocalyptic number.

811743342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

811743342 is a wasteful number, since it uses less digits than its factorization.

811743342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135290562.

The product of its digits is 16128, while the sum is 33.

The square root of 811743342 is about 28491.1098765913. The cubic root of 811743342 is about 932.8380341694.

The spelling of 811743342 in words is "eight hundred eleven million, seven hundred forty-three thousand, three hundred forty-two".