8155072 has 14 divisors (see below), whose sum is σ = 16182848. Its totient is φ = 4077504.

The previous prime is 8155067. The next prime is 8155073. The reversal of 8155072 is 2705518.

It is a self number, because there is not a number n which added to its sum of digits gives 8155072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8155073) by changing a digit.

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 as a sum of consecutive naturals, namely, 63648 + ... + 63775.

Almost surely, 2^8155072 is an apocalyptic number.

It is an amenable number.

8155072 is a deficient number, since it is larger than the sum of its proper divisors (8027776).

8155072 is a wasteful number, since it uses less digits than its factorization.

8155072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127435 (or 127425 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 8155072 is about 2855.7086686145. The cubic root of 8155072 is about 201.2840056730.

The spelling of 8155072 in words is "eight million, one hundred fifty-five thousand, seventy-two".