7556481 has 6 divisors (see below), whose sum is σ = 10914930. Its totient is φ = 5037648.

The previous prime is 7556477. The next prime is 7556491. The reversal of 7556481 is 1846557.

7556481 is a `hidden beast` number, since 7 + 5 + 5 + 648 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6890625 + 665856 = 2625^2 + 816^2 .

It is not a de Polignac number, because 7556481 - 2² = 7556477 is a prime.

It is a super-2 number, since 2×7556481² = 114200810206722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7556411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419796 + ... + 419813.

It is an arithmetic number, because the mean of its divisors is an integer number (1819155).

Almost surely, 2^7556481 is an apocalyptic number.

It is an amenable number.

7556481 is a deficient number, since it is larger than the sum of its proper divisors (3358449).

7556481 is a wasteful number, since it uses less digits than its factorization.

7556481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839615 (or 839612 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 7556481 is about 2748.9054185257. The cubic root of 7556481 is about 196.2335218155.

The spelling of 7556481 in words is "seven million, five hundred fifty-six thousand, four hundred eighty-one".