90506667 has 8 divisors (see below), whose sum is σ = 120773520. Its totient is φ = 60288800.

The previous prime is 90506659. The next prime is 90506707. The reversal of 90506667 is 76660509.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90506667 - 2³ = 90506659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90506627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7692 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (15096690).

Almost surely, 2^90506667 is an apocalyptic number.

90506667 is a deficient number, since it is larger than the sum of its proper divisors (30266853).

90506667 is a wasteful number, since it uses less digits than its factorization.

90506667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24493.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 90506667 is about 9513.4991985074. The cubic root of 90506667 is about 448.9798570005.

The spelling of 90506667 in words is "ninety million, five hundred six thousand, six hundred sixty-seven".