8555072 has 14 divisors (see below), whose sum is σ = 16976598. Its totient is φ = 4277504.

The previous prime is 8555051. The next prime is 8555123. The reversal of 8555072 is 2705558.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 2483776 = 2464^2 + 1576^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66773 + ... + 66900.

Almost surely, 2^8555072 is an apocalyptic number.

It is an amenable number.

8555072 is a deficient number, since it is larger than the sum of its proper divisors (8421526).

8555072 is a wasteful number, since it uses less digits than its factorization.

8555072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133685 (or 133675 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 8555072 is about 2924.9054685579. The cubic root of 8555072 is about 204.5225613406.

The spelling of 8555072 in words is "eight million, five hundred fifty-five thousand, seventy-two".