57703212 has 96 divisors (see below), whose sum is σ = 172605440. Its totient is φ = 16329600.

The previous prime is 57703211. The next prime is 57703231. The reversal of 57703212 is 21230775.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (57703211) 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, 95712 + ... + 96312.

Almost surely, 2^57703212 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 57703212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86302720).

57703212 is an abundant number, since it is smaller than the sum of its proper divisors (114902228).

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

57703212 is a wasteful number, since it uses less digits than its factorization.

57703212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 57703212 is about 7596.2630286214. The cubic root of 57703212 is about 386.4262877065.

Adding to 57703212 its reverse (21230775), we get a palindrome (78933987).

The spelling of 57703212 in words is "fifty-seven million, seven hundred three thousand, two hundred twelve".