90867069 has 16 divisors (see below), whose sum is σ = 137160000. Its totient is φ = 59434128.

The previous prime is 90867061. The next prime is 90867071. The reversal of 90867069 is 96076809.

It is not a de Polignac number, because 90867069 - 2³ = 90867061 is a prime.

It is a super-2 number, since 2×90867069² = 16513648457301522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90867061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30319 + ... + 33180.

It is an arithmetic number, because the mean of its divisors is an integer number (8572500).

Almost surely, 2^90867069 is an apocalyptic number.

It is an amenable number.

90867069 is a deficient number, since it is larger than the sum of its proper divisors (46292931).

90867069 is a wasteful number, since it uses less digits than its factorization.

90867069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63561 (or 63555 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 90867069 is about 9532.4219902394. The cubic root of 90867069 is about 449.5750209993.

The spelling of 90867069 in words is "ninety million, eight hundred sixty-seven thousand, sixty-nine".