90067868 has 24 divisors (see below), whose sum is σ = 172220160. Its totient is φ = 40875120.

The previous prime is 90067849. The next prime is 90067877. The reversal of 90067868 is 86876009.

It is a super-2 number, since 2×90067868² = 16224441692130848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36605 + ... + 38987.

It is an arithmetic number, because the mean of its divisors is an integer number (7175840).

Almost surely, 2^90067868 is an apocalyptic number.

It is an amenable number.

90067868 is a deficient number, since it is larger than the sum of its proper divisors (82152292).

90067868 is a wasteful number, since it uses less digits than its factorization.

90067868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 90067868 is about 9490.4092640939. The cubic root of 90067868 is about 448.2530922701.

The spelling of 90067868 in words is "ninety million, sixty-seven thousand, eight hundred sixty-eight".