97353728 has 32 divisors (see below), whose sum is σ = 194770020. Its totient is φ = 48660480.

The previous prime is 97353727. The next prime is 97353731. The reversal of 97353728 is 82735379.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97353727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31283 + ... + 34253.

Almost surely, 2^97353728 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 97353728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97385010).

97353728 is an abundant number, since it is smaller than the sum of its proper divisors (97416292).

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

97353728 is an frugal number, since it uses more digits than its factorization.

97353728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2973 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 97353728 is about 9866.7992783881. The cubic root of 97353728 is about 460.0279252108.

The spelling of 97353728 in words is "ninety-seven million, three hundred fifty-three thousand, seven hundred twenty-eight".