90607668 has 48 divisors (see below), whose sum is σ = 219158016. Its totient is φ = 29105280.

The previous prime is 90607639. The next prime is 90607669. The reversal of 90607668 is 86670609.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90607669) 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 15 ways as a sum of consecutive naturals, for example, 138430 + ... + 139082.

It is an arithmetic number, because the mean of its divisors is an integer number (4565792).

Almost surely, 2^90607668 is an apocalyptic number.

It is an amenable number.

90607668 is an abundant number, since it is smaller than the sum of its proper divisors (128550348).

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

90607668 is a wasteful number, since it uses less digits than its factorization.

90607668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 90607668 is about 9518.8060175633. The cubic root of 90607668 is about 449.1468080771.

The spelling of 90607668 in words is "ninety million, six hundred seven thousand, six hundred sixty-eight".