90013766 has 16 divisors (see below), whose sum is σ = 142146144. Its totient is φ = 42666624.

The previous prime is 90013747. The next prime is 90013787. The reversal of 90013766 is 66731009.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 3461 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (8884134).

Almost surely, 2^90013766 is an apocalyptic number.

90013766 is a deficient number, since it is larger than the sum of its proper divisors (52132378).

90013766 is a wasteful number, since it uses less digits than its factorization.

90013766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17455.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 90013766 is about 9487.5584846682. The cubic root of 90013766 is about 448.1633220160.

The spelling of 90013766 in words is "ninety million, thirteen thousand, seven hundred sixty-six".