90706568 has 8 divisors (see below), whose sum is σ = 170074830. Its totient is φ = 45353280.

The previous prime is 90706529. The next prime is 90706591. The reversal of 90706568 is 86560709.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90592324 + 114244 = 9518^2 + 338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5669153 + ... + 5669168.

Almost surely, 2^90706568 is an apocalyptic number.

It is an amenable number.

90706568 is a deficient number, since it is larger than the sum of its proper divisors (79368262).

90706568 is a wasteful number, since it uses less digits than its factorization.

90706568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11338327 (or 11338323 counting only the distinct ones).

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

The square root of 90706568 is about 9523.9995800084. Note that the first 3 decimals coincide. The cubic root of 90706568 is about 449.3101660949.

The spelling of 90706568 in words is "ninety million, seven hundred six thousand, five hundred sixty-eight".