805336572 has 12 divisors (see below), whose sum is σ = 1879118696. Its totient is φ = 268445520.

The previous prime is 805336549. The next prime is 805336589. The reversal of 805336572 is 275633508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×805336572² = 1297133988401422368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 805336572.

It is a congruent number.

It is an unprimeable number.

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, 33555679 + ... + 33555702.

Almost surely, 2^805336572 is an apocalyptic number.

It is an amenable number.

805336572 is an abundant number, since it is smaller than the sum of its proper divisors (1073782124).

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

805336572 is a wasteful number, since it uses less digits than its factorization.

805336572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67111388 (or 67111386 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 805336572 is about 28378.4526005207. The cubic root of 805336572 is about 930.3773748862.

The spelling of 805336572 in words is "eight hundred five million, three hundred thirty-six thousand, five hundred seventy-two".