90768056 has 16 divisors (see below), whose sum is σ = 170384040. Its totient is φ = 45332320.

The previous prime is 90768047. The next prime is 90768059. The reversal of 90768056 is 65086709.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90768059) 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 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 13566.

Almost surely, 2^90768056 is an apocalyptic number.

It is an amenable number.

90768056 is a deficient number, since it is larger than the sum of its proper divisors (79615984).

90768056 is a wasteful number, since it uses less digits than its factorization.

90768056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934 (or 12930 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 90768056 is about 9527.2270887179. The cubic root of 90768056 is about 449.4116690101.

The spelling of 90768056 in words is "ninety million, seven hundred sixty-eight thousand, fifty-six".