805106672 has 20 divisors (see below), whose sum is σ = 1651653216. Its totient is φ = 378873600.

The previous prime is 805106657. The next prime is 805106677. The reversal of 805106672 is 276601508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805106677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479704 + ... + 1480247.

Almost surely, 2^805106672 is an apocalyptic number.

It is an amenable number.

805106672 is an abundant number, since it is smaller than the sum of its proper divisors (846546544).

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

805106672 is a wasteful number, since it uses less digits than its factorization.

805106672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959976 (or 2959970 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 805106672 is about 28374.4017029434. The cubic root of 805106672 is about 930.2888346317.

The spelling of 805106672 in words is "eight hundred five million, one hundred six thousand, six hundred seventy-two".