90530012 has 6 divisors (see below), whose sum is σ = 158427528. Its totient is φ = 45265004.

The previous prime is 90529993. The next prime is 90530021. The reversal of 90530012 is 21003509.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 11316248 + ... + 11316255.

It is an arithmetic number, because the mean of its divisors is an integer number (26404588).

Almost surely, 2^90530012 is an apocalyptic number.

It is an amenable number.

90530012 is a deficient number, since it is larger than the sum of its proper divisors (67897516).

90530012 is a wasteful number, since it uses less digits than its factorization.

90530012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632507 (or 22632505 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 90530012 is about 9514.7260601659. The cubic root of 90530012 is about 449.0184564910.

The spelling of 90530012 in words is "ninety million, five hundred thirty thousand, twelve".