90660675 has 24 divisors (see below), whose sum is σ = 171306496. Its totient is φ = 41444640.

The previous prime is 90660673. The next prime is 90660679. The reversal of 90660675 is 57606609.

It is a happy number.

It is not a de Polignac number, because 90660675 - 2¹ = 90660673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90660673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85819 + ... + 86868.

Almost surely, 2^90660675 is an apocalyptic number.

90660675 is a deficient number, since it is larger than the sum of its proper divisors (80645821).

90660675 is a wasteful number, since it uses less digits than its factorization.

90660675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172707 (or 172702 counting only the distinct ones).

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

The square root of 90660675 is about 9521.5899407609. The cubic root of 90660675 is about 449.2343771325.

The spelling of 90660675 in words is "ninety million, six hundred sixty thousand, six hundred seventy-five".