8193536072 has 12 divisors (see below), whose sum is σ = 15363360195. Its totient is φ = 4096640024.

The previous prime is 8193536059. The next prime is 8193536081. The reversal of 8193536072 is 2706353918.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 4096768036 + 4096768036 = 64006^2 + 64006^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64006.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 240023 + ... + 272025.

Almost surely, 2^8193536072 is an apocalyptic number.

It is an amenable number.

8193536072 is a deficient number, since it is larger than the sum of its proper divisors (7169824123).

8193536072 is an frugal number, since it uses more digits than its factorization.

8193536072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64012 (or 32005 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 8193536072 is about 90518.1532732523. The cubic root of 8193536072 is about 2015.9996699682. Note that the first 3 decimals are identical.

The spelling of 8193536072 in words is "eight billion, one hundred ninety-three million, five hundred thirty-six thousand, seventy-two".