8072256 has 28 divisors (see below), whose sum is σ = 21358352. Its totient is φ = 2690688.

The previous prime is 8072221. The next prime is 8072257. The reversal of 8072256 is 6522708.

It is a super-2 number, since 2×8072256² = 130322633859072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8072257) 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, 20830 + ... + 21213.

Almost surely, 2^8072256 is an apocalyptic number.

It is an amenable number.

8072256 is an abundant number, since it is smaller than the sum of its proper divisors (13286096).

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

8072256 is a wasteful number, since it uses less digits than its factorization.

8072256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42058 (or 42048 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 8072256 is about 2841.1715893272. The cubic root of 8072256 is about 200.6003295525.

The spelling of 8072256 in words is "eight million, seventy-two thousand, two hundred fifty-six".