97071140 has 24 divisors (see below), whose sum is σ = 204038520. Its totient is φ = 38792448.

The previous prime is 97071119. The next prime is 97071151. The reversal of 97071140 is 4117079.

It can be written as a sum of positive squares in 4 ways, for example, as 62473216 + 34597924 = 7904^2 + 5882^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34424 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (8501605).

Almost surely, 2^97071140 is an apocalyptic number.

It is an amenable number.

97071140 is an abundant number, since it is smaller than the sum of its proper divisors (106967380).

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

97071140 is a wasteful number, since it uses less digits than its factorization.

97071140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511 (or 4509 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 97071140 is about 9852.4687261620. The cubic root of 97071140 is about 459.5823872089.

The spelling of 97071140 in words is "ninety-seven million, seventy-one thousand, one hundred forty".