805872742 has 8 divisors (see below), whose sum is σ = 1209094632. Its totient is φ = 402841200.

The previous prime is 805872737. The next prime is 805872773. The reversal of 805872742 is 247278508.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36484 + ... + 54247.

It is an arithmetic number, because the mean of its divisors is an integer number (151136829).

Almost surely, 2^805872742 is an apocalyptic number.

805872742 is a deficient number, since it is larger than the sum of its proper divisors (403221890).

805872742 is a wasteful number, since it uses less digits than its factorization.

805872742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95174.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 805872742 is about 28387.8978087494. The cubic root of 805872742 is about 930.5838019425.

The spelling of 805872742 in words is "eight hundred five million, eight hundred seventy-two thousand, seven hundred forty-two".