97970720 has 24 divisors (see below), whose sum is σ = 231456204. Its totient is φ = 39188224.

The previous prime is 97970687. The next prime is 97970723. The reversal of 97970720 is 2707979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93006736 + 4963984 = 9644^2 + 2228^2 .

It is not an unprimeable number, because it can be changed into a prime (97970723) 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 3 ways as a sum of consecutive naturals, for example, 305999 + ... + 306318.

Almost surely, 2^97970720 is an apocalyptic number.

It is an amenable number.

97970720 is an abundant number, since it is smaller than the sum of its proper divisors (133485484).

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

97970720 is a wasteful number, since it uses less digits than its factorization.

97970720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612332 (or 612324 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 41.

The square root of 97970720 is about 9898.0159628079. The cubic root of 97970720 is about 460.9977084504.

The spelling of 97970720 in words is "ninety-seven million, nine hundred seventy thousand, seven hundred twenty".