57870720 has 256 divisors, whose sum is σ = 218116800. Its totient is φ = 14450688.

The previous prime is 57870719. The next prime is 57870727. The reversal of 57870720 is 2707875.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57870727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293662 + ... + 293858.

Almost surely, 2^57870720 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 57870720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109058400).

57870720 is an abundant number, since it is smaller than the sum of its proper divisors (160246080).

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

57870720 is a wasteful number, since it uses less digits than its factorization.

57870720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 57870720 is about 7607.2807230968. The cubic root of 57870720 is about 386.7998484279.

The spelling of 57870720 in words is "fifty-seven million, eight hundred seventy thousand, seven hundred twenty".