3805705874072 has 64 divisors (see below), whose sum is σ = 7635800340000. Its totient is φ = 1771885264896.

The previous prime is 3805705874063. The next prime is 3805705874119. The reversal of 3805705874072 is 2704785075083.

It is a super-2 number, since 2×3805705874072² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3805705873999 and 3805705874017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42288179 + ... + 42378077.

Almost surely, 2^{3805705874072} is an apocalyptic number.

It is an amenable number.

3805705874072 is an abundant number, since it is smaller than the sum of its proper divisors (3830094465928).

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

3805705874072 is a wasteful number, since it uses less digits than its factorization.

3805705874072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93228 (or 93224 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 3805705874072 in words is "three trillion, eight hundred five billion, seven hundred five million, eight hundred seventy-four thousand, seventy-two".