90070283 has 8 divisors (see below), whose sum is σ = 94955520. Its totient is φ = 85308840.

The previous prime is 90070237. The next prime is 90070289. The reversal of 90070283 is 38207009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90070283 - 2⁶ = 90070219 is a prime.

It is a super-2 number, since 2×90070283² = 16225311759400178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90070289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29453 + ... + 32366.

It is an arithmetic number, because the mean of its divisors is an integer number (11869440).

Almost surely, 2^90070283 is an apocalyptic number.

90070283 is a deficient number, since it is larger than the sum of its proper divisors (4885237).

90070283 is a wasteful number, since it uses less digits than its factorization.

90070283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61897.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 90070283 is about 9490.5364969532. The cubic root of 90070283 is about 448.2570985880.

The spelling of 90070283 in words is "ninety million, seventy thousand, two hundred eighty-three".