60657220 has 24 divisors (see below), whose sum is σ = 137179224. Its totient is φ = 22396416.

The previous prime is 60657211. The next prime is 60657221. The reversal of 60657220 is 2275606.

60657220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10445824 + 50211396 = 3232^2 + 7086^2 .

It is not an unprimeable number, because it can be changed into a prime (60657221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 116389 + ... + 116908.

It is an arithmetic number, because the mean of its divisors is an integer number (5715801).

Almost surely, 2^60657220 is an apocalyptic number.

It is an amenable number.

60657220 is an abundant number, since it is smaller than the sum of its proper divisors (76522004).

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

60657220 is a wasteful number, since it uses less digits than its factorization.

60657220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233319 (or 233317 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 60657220 is about 7788.2745200718. The cubic root of 60657220 is about 392.9109817437.

The spelling of 60657220 in words is "sixty million, six hundred fifty-seven thousand, two hundred twenty".