97327728 has 60 divisors (see below), whose sum is σ = 286726440. Its totient is φ = 30734208.

The previous prime is 97327721. The next prime is 97327729. The reversal of 97327728 is 82772379.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97327721) 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 11 ways as a sum of consecutive naturals, for example, 15051 + ... + 20522.

It is an arithmetic number, because the mean of its divisors is an integer number (4778774).

Almost surely, 2^97327728 is an apocalyptic number.

It is an amenable number.

97327728 is an abundant number, since it is smaller than the sum of its proper divisors (189398712).

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

97327728 is a wasteful number, since it uses less digits than its factorization.

97327728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35606 (or 35597 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 97327728 is about 9865.4816405485. The cubic root of 97327728 is about 459.9869687550.

The spelling of 97327728 in words is "ninety-seven million, three hundred twenty-seven thousand, seven hundred twenty-eight".