90529665 has 8 divisors (see below), whose sum is σ = 144847488. Its totient is φ = 48282480.

The previous prime is 90529657. The next prime is 90529667. The reversal of 90529665 is 56692509.

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

It is not a de Polignac number, because 90529665 - 2³ = 90529657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90529667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017641 + ... + 3017670.

It is an arithmetic number, because the mean of its divisors is an integer number (18105936).

Almost surely, 2^90529665 is an apocalyptic number.

It is an amenable number.

90529665 is a deficient number, since it is larger than the sum of its proper divisors (54317823).

90529665 is a wasteful number, since it uses less digits than its factorization.

90529665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035319.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 90529665 is about 9514.7078252566. The cubic root of 90529665 is about 449.0178827969.

The spelling of 90529665 in words is "ninety million, five hundred twenty-nine thousand, six hundred sixty-five".