57742013 has 16 divisors (see below), whose sum is σ = 70087680. Its totient is φ = 46438656.

The previous prime is 57742001. The next prime is 57742031. The reversal of 57742013 is 31024775.

It is a cyclic number.

It is not a de Polignac number, because 57742013 - 2⁴ = 57741997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57742313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56495 + ... + 57507.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^57742013 is an apocalyptic number.

It is an amenable number.

57742013 is a deficient number, since it is larger than the sum of its proper divisors (12345667).

57742013 is a wasteful number, since it uses less digits than its factorization.

57742013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57742013 is about 7598.8165525955. The cubic root of 57742013 is about 386.5128823484.

Adding to 57742013 its reverse (31024775), we get a palindrome (88766788).

The spelling of 57742013 in words is "fifty-seven million, seven hundred forty-two thousand, thirteen".