90632330 has 8 divisors (see below), whose sum is σ = 163138212. Its totient is φ = 36252928.

The previous prime is 90632327. The next prime is 90632359. The reversal of 90632330 is 3323609.

It can be written as a sum of positive squares in 2 ways, for example, as 87965641 + 2666689 = 9379^2 + 1633^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90632330.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4531607 + ... + 4531626.

Almost surely, 2^90632330 is an apocalyptic number.

90632330 is a deficient number, since it is larger than the sum of its proper divisors (72505882).

90632330 is a wasteful number, since it uses less digits than its factorization.

90632330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063240.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 90632330 is about 9520.1013650066. The cubic root of 90632330 is about 449.1875546423.

Adding to 90632330 its reverse (3323609), we get a palindrome (93955939).

The spelling of 90632330 in words is "ninety million, six hundred thirty-two thousand, three hundred thirty".