90817282 has 4 divisors (see below), whose sum is σ = 136225926. Its totient is φ = 45408640.

The previous prime is 90817273. The next prime is 90817297. The reversal of 90817282 is 28271809.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90041121 + 776161 = 9489^2 + 881^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22704319 + ... + 22704322.

Almost surely, 2^90817282 is an apocalyptic number.

90817282 is a deficient number, since it is larger than the sum of its proper divisors (45408644).

90817282 is a wasteful number, since it uses less digits than its factorization.

90817282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45408643.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 90817282 is about 9529.8101764935. The cubic root of 90817282 is about 449.4928970755.

The spelling of 90817282 in words is "ninety million, eight hundred seventeen thousand, two hundred eighty-two".