57842743 has 4 divisors (see below), whose sum is σ = 66106000. Its totient is φ = 49579488.

The previous prime is 57842731. The next prime is 57842767. The reversal of 57842743 is 34724875.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57842743 - 2²⁵ = 24288311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57842696 and 57842705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57042743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4131618 + ... + 4131631.

It is an arithmetic number, because the mean of its divisors is an integer number (16526500).

Almost surely, 2^57842743 is an apocalyptic number.

57842743 is a deficient number, since it is larger than the sum of its proper divisors (8263257).

57842743 is an equidigital number, since it uses as much as digits as its factorization.

57842743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8263256.

The product of its digits is 188160, while the sum is 40.

The square root of 57842743 is about 7605.4416702779. The cubic root of 57842743 is about 386.7375069210.

It can be divided in two parts, 57842 and 743, that added together give a palindrome (58585).

The spelling of 57842743 in words is "fifty-seven million, eight hundred forty-two thousand, seven hundred forty-three".