90068368 has 80 divisors (see below), whose sum is σ = 199737216. Its totient is φ = 39029760.

The previous prime is 90068353. The next prime is 90068369. The reversal of 90068368 is 86386009.

It is a super-2 number, since 2×90068368² = 16224621828366848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90068368.

It is not an unprimeable number, because it can be changed into a prime (90068369) 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 15 ways as a sum of consecutive naturals, for example, 320388 + ... + 320668.

Almost surely, 2^90068368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90068368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99868608).

90068368 is an abundant number, since it is smaller than the sum of its proper divisors (109668848).

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

90068368 is a wasteful number, since it uses less digits than its factorization.

90068368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 90068368 is about 9490.4356064408. The cubic root of 90068368 is about 448.2539217414.

The spelling of 90068368 in words is "ninety million, sixty-eight thousand, three hundred sixty-eight".