806742082 has 4 divisors (see below), whose sum is σ = 1210113126. Its totient is φ = 403371040.

The previous prime is 806742067. The next prime is 806742103. The reversal of 806742082 is 280247608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 551733121 + 255008961 = 23489^2 + 15969^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201685519 + ... + 201685522.

Almost surely, 2^806742082 is an apocalyptic number.

806742082 is a deficient number, since it is larger than the sum of its proper divisors (403371044).

806742082 is a wasteful number, since it uses less digits than its factorization.

806742082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403371043.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 806742082 is about 28403.2054881135. The cubic root of 806742082 is about 930.9183059537.

The spelling of 806742082 in words is "eight hundred six million, seven hundred forty-two thousand, eighty-two".