97322568 has 128 divisors (see below), whose sum is σ = 294451200. Its totient is φ = 26205696.

The previous prime is 97322539. The next prime is 97322581. The reversal of 97322568 is 86522379.

It is a super-2 number, since 2×97322568² = 18943364484229248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343755 + ... + 344037.

It is an arithmetic number, because the mean of its divisors is an integer number (2300400).

Almost surely, 2^97322568 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 97322568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147225600).

97322568 is an abundant number, since it is smaller than the sum of its proper divisors (197128632).

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

97322568 is a wasteful number, since it uses less digits than its factorization.

97322568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 407 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 97322568 is about 9865.2201191864. The cubic root of 97322568 is about 459.9788396063.

The spelling of 97322568 in words is "ninety-seven million, three hundred twenty-two thousand, five hundred sixty-eight".