97297746 has 128 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 23804928.

The previous prime is 97297729. The next prime is 97297769. The reversal of 97297746 is 64779279.

It is a happy number.

It is a nialpdrome in base 14.

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 63 ways as a sum of consecutive naturals, for example, 860986 + ... + 861098.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^97297746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97297746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128701440).

97297746 is an abundant number, since it is smaller than the sum of its proper divisors (160105134).

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

97297746 is a wasteful number, since it uses less digits than its factorization.

97297746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its digits is 1333584, while the sum is 51.

The square root of 97297746 is about 9863.9619828951. The cubic root of 97297746 is about 459.9397306041.

The spelling of 97297746 in words is "ninety-seven million, two hundred ninety-seven thousand, seven hundred forty-six".