97326720 has 192 divisors, whose sum is σ = 342824040. Its totient is φ = 25436160.

The previous prime is 97326703. The next prime is 97326727. The reversal of 97326720 is 2762379.

It can be written as a sum of positive squares in 4 ways, for example, as 33454656 + 63872064 = 5784^2 + 7992^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (97326727) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 351222 + ... + 351498.

Almost surely, 2^97326720 is an apocalyptic number.

97326720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97326720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171412020).

97326720 is an abundant number, since it is smaller than the sum of its proper divisors (245497320).

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

97326720 is a wasteful number, since it uses less digits than its factorization.

97326720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 97326720 is about 9865.4305531994. The cubic root of 97326720 is about 459.9853807578.

The spelling of 97326720 in words is "ninety-seven million, three hundred twenty-six thousand, seven hundred twenty".