57342870 has 192 divisors, whose sum is σ = 180169920. Its totient is φ = 12856320.

The previous prime is 57342793. The next prime is 57342871. The reversal of 57342870 is 7824375.

57342870 is a `hidden beast` number, since 573 + 4 + 2 + 87 + 0 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57342871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1849755 + ... + 1849785.

It is an arithmetic number, because the mean of its divisors is an integer number (938385).

Almost surely, 2^57342870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57342870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90084960).

57342870 is an abundant number, since it is smaller than the sum of its proper divisors (122827050).

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

57342870 is a wasteful number, since it uses less digits than its factorization.

57342870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 57342870 is about 7572.5075107259. The cubic root of 57342870 is about 385.6202292708.

The spelling of 57342870 in words is "fifty-seven million, three hundred forty-two thousand, eight hundred seventy".