90573270 has 16 divisors (see below), whose sum is σ = 217375920. Its totient is φ = 24152864.

The previous prime is 90573257. The next prime is 90573271. The reversal of 90573270 is 7237509.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90573271) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1509525 + ... + 1509584.

It is an arithmetic number, because the mean of its divisors is an integer number (13585995).

Almost surely, 2^90573270 is an apocalyptic number.

90573270 is an abundant number, since it is smaller than the sum of its proper divisors (126802650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90573270 is a wasteful number, since it uses less digits than its factorization.

90573270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019119.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 90573270 is about 9516.9990017862. Note that the first 3 decimals coincide. The cubic root of 90573270 is about 449.0899633392.

The spelling of 90573270 in words is "ninety million, five hundred seventy-three thousand, two hundred seventy".