809260742 has 8 divisors (see below), whose sum is σ = 1218371232. Its totient is φ = 403137000.

The previous prime is 809260733. The next prime is 809260759. The reversal of 809260742 is 247062908.

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

It is a junction number, because it is equal to n+sod(n) for n = 809260696 and 809260705.

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, 746009 + ... + 747092.

It is an arithmetic number, because the mean of its divisors is an integer number (152296404).

Almost surely, 2^809260742 is an apocalyptic number.

809260742 is a deficient number, since it is larger than the sum of its proper divisors (409110490).

809260742 is a wasteful number, since it uses less digits than its factorization.

809260742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493374.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 809260742 is about 28447.5085376558. The cubic root of 809260742 is about 931.8860794833.

The spelling of 809260742 in words is "eight hundred nine million, two hundred sixty thousand, seven hundred forty-two".