57703720 has 64 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 22208256.

The previous prime is 57703717. The next prime is 57703727. The reversal of 57703720 is 2730775.

57703720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57703727) 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 15 ways as a sum of consecutive naturals, for example, 187807 + ... + 188113.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^57703720 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 57703720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67415040).

57703720 is an abundant number, since it is smaller than the sum of its proper divisors (77126360).

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

57703720 is a wasteful number, since it uses less digits than its factorization.

57703720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 57703720 is about 7596.2964660419. The cubic root of 57703720 is about 386.4274216930.

The spelling of 57703720 in words is "fifty-seven million, seven hundred three thousand, seven hundred twenty".