57707642 has 16 divisors (see below), whose sum is σ = 89155752. Its totient is φ = 27993600.

The previous prime is 57707641. The next prime is 57707653. The reversal of 57707642 is 24670775.

57707642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39551521 + 18156121 = 6289^2 + 4261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57707596 and 57707605.

It is not an unprimeable number, because it can be changed into a prime (57707641) 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 7 ways as a sum of consecutive naturals, for example, 31142 + ... + 32942.

Almost surely, 2^57707642 is an apocalyptic number.

57707642 is a deficient number, since it is larger than the sum of its proper divisors (31448110).

57707642 is a wasteful number, since it uses less digits than its factorization.

57707642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 57707642 is about 7596.5546137706. The cubic root of 57707642 is about 386.4361763799.

The spelling of 57707642 in words is "fifty-seven million, seven hundred seven thousand, six hundred forty-two".