97740980 has 12 divisors (see below), whose sum is σ = 205256100. Its totient is φ = 39096384.

The previous prime is 97740931. The next prime is 97740989. The reversal of 97740980 is 8904779.

It can be written as a sum of positive squares in 2 ways, for example, as 33131536 + 64609444 = 5756^2 + 8038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97740989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2443505 + ... + 2443544.

It is an arithmetic number, because the mean of its divisors is an integer number (17104675).

Almost surely, 2^97740980 is an apocalyptic number.

It is an amenable number.

97740980 is an abundant number, since it is smaller than the sum of its proper divisors (107515120).

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

97740980 is a wasteful number, since it uses less digits than its factorization.

97740980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887058 (or 4887056 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 97740980 is about 9886.4037951117. The cubic root of 97740980 is about 460.6370819724.

The spelling of 97740980 in words is "ninety-seven million, seven hundred forty thousand, nine hundred eighty".