60971720 has 16 divisors (see below), whose sum is σ = 137186460. Its totient is φ = 24388672.

The previous prime is 60971719. The next prime is 60971731. The reversal of 60971720 is 2717906.

It can be written as a sum of positive squares in 2 ways, for example, as 58033924 + 2937796 = 7618^2 + 1714^2 .

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, 762107 + ... + 762186.

Almost surely, 2^60971720 is an apocalyptic number.

It is an amenable number.

60971720 is an abundant number, since it is smaller than the sum of its proper divisors (76214740).

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

60971720 is a wasteful number, since it uses less digits than its factorization.

60971720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524304 (or 1524300 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 60971720 is about 7808.4390245426. The cubic root of 60971720 is about 393.5888760434.

The spelling of 60971720 in words is "sixty million, nine hundred seventy-one thousand, seven hundred twenty".