90067291 has 2 divisors, whose sum is σ = 90067292. Its totient is φ = 90067290.

The previous prime is 90067279. The next prime is 90067319. The reversal of 90067291 is 19276009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90067291 - 2⁵ = 90067259 is a prime.

It is a super-2 number, since 2×90067291² = 16224233816157362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90067261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45033645 + 45033646.

It is an arithmetic number, because the mean of its divisors is an integer number (45033646).

Almost surely, 2^90067291 is an apocalyptic number.

90067291 is a deficient number, since it is larger than the sum of its proper divisors (1).

90067291 is an equidigital number, since it uses as much as digits as its factorization.

90067291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 90067291 is about 9490.3788649347. The cubic root of 90067291 is about 448.2521350564.

The spelling of 90067291 in words is "ninety million, sixty-seven thousand, two hundred ninety-one".