97297745 has 16 divisors (see below), whose sum is σ = 119523600. Its totient is φ = 76012800.

The previous prime is 97297729. The next prime is 97297769. The reversal of 97297745 is 54779279.

It can be written as a sum of positive squares in 8 ways, for example, as 8862529 + 88435216 = 2977^2 + 9404^2 .

It is not a de Polignac number, because 97297745 - 2⁴ = 97297729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97297693 and 97297702.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44375 + ... + 46515.

It is an arithmetic number, because the mean of its divisors is an integer number (7470225).

Almost surely, 2^97297745 is an apocalyptic number.

It is an amenable number.

97297745 is a deficient number, since it is larger than the sum of its proper divisors (22225855).

97297745 is a wasteful number, since it uses less digits than its factorization.

97297745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356.

The product of its digits is 1111320, while the sum is 50.

The square root of 97297745 is about 9863.9619322055. The cubic root of 97297745 is about 459.9397290284.

The spelling of 97297745 in words is "ninety-seven million, two hundred ninety-seven thousand, seven hundred forty-five".