57870660 has 96 divisors (see below), whose sum is σ = 170150400. Its totient is φ = 14676480.

The previous prime is 57870649. The next prime is 57870661. The reversal of 57870660 is 6607875.

It is not an unprimeable number, because it can be changed into a prime (57870661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137250 + ... + 137670.

It is an arithmetic number, because the mean of its divisors is an integer number (1772400).

Almost surely, 2^57870660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57870660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85075200).

57870660 is an abundant number, since it is smaller than the sum of its proper divisors (112279740).

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

57870660 is a wasteful number, since it uses less digits than its factorization.

57870660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 57870660 is about 7607.2767795053. The cubic root of 57870660 is about 386.7997147506.

The spelling of 57870660 in words is "fifty-seven million, eight hundred seventy thousand, six hundred sixty".