57870930 has 32 divisors (see below), whose sum is σ = 149575104. Its totient is φ = 14245056.

The previous prime is 57870889. The next prime is 57870931. The reversal of 57870930 is 3907875.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57870931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73804 + ... + 74583.

It is an arithmetic number, because the mean of its divisors is an integer number (4674222).

Almost surely, 2^57870930 is an apocalyptic number.

57870930 is an abundant number, since it is smaller than the sum of its proper divisors (91704174).

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

57870930 is a wasteful number, since it uses less digits than its factorization.

57870930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148410.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 57870930 is about 7607.2945256510. The cubic root of 57870930 is about 386.8003162976.

The spelling of 57870930 in words is "fifty-seven million, eight hundred seventy thousand, nine hundred thirty".