97471720 has 16 divisors (see below), whose sum is σ = 219311460. Its totient is φ = 38988672.

The previous prime is 97471663. The next prime is 97471733. The reversal of 97471720 is 2717479.

It can be written as a sum of positive squares in 2 ways, for example, as 91508356 + 5963364 = 9566^2 + 2442^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97471720.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218357 + ... + 1218436.

Almost surely, 2^97471720 is an apocalyptic number.

It is an amenable number.

97471720 is an abundant number, since it is smaller than the sum of its proper divisors (121839740).

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

97471720 is a wasteful number, since it uses less digits than its factorization.

97471720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436804 (or 2436800 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 97471720 is about 9872.7767117463. The cubic root of 97471720 is about 460.2137003287.

The spelling of 97471720 in words is "ninety-seven million, four hundred seventy-one thousand, seven hundred twenty".