57427730 has 16 divisors (see below), whose sum is σ = 104286744. Its totient is φ = 22767360.

The previous prime is 57427723. The next prime is 57427739. The reversal of 57427730 is 3772475.

It can be written as a sum of positive squares in 4 ways, for example, as 46144849 + 11282881 = 6793^2 + 3359^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (57427739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24281 + ... + 26540.

Almost surely, 2^57427730 is an apocalyptic number.

57427730 is a deficient number, since it is larger than the sum of its proper divisors (46859014).

57427730 is a wasteful number, since it uses less digits than its factorization.

57427730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50941.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 57427730 is about 7578.1086030750. The cubic root of 57427730 is about 385.8103581315.

The spelling of 57427730 in words is "fifty-seven million, four hundred twenty-seven thousand, seven hundred thirty".