90765230 has 16 divisors (see below), whose sum is σ = 163486944. Its totient is φ = 36281760.

The previous prime is 90765229. The next prime is 90765251. The reversal of 90765230 is 3256709.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24479 + ... + 27941.

It is an arithmetic number, because the mean of its divisors is an integer number (10217934).

Almost surely, 2^90765230 is an apocalyptic number.

90765230 is a deficient number, since it is larger than the sum of its proper divisors (72721714).

90765230 is a wasteful number, since it uses less digits than its factorization.

90765230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 90765230 is about 9527.0787757843. The cubic root of 90765230 is about 449.4070049222.

The spelling of 90765230 in words is "ninety million, seven hundred sixty-five thousand, two hundred thirty".