57840745 has 16 divisors (see below), whose sum is σ = 73084032. Its totient is φ = 43859200.

The previous prime is 57840733. The next prime is 57840763. The reversal of 57840745 is 54704875.

57840745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57840745 - 2²¹ = 55743593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57840698 and 57840707.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10770 + ... + 15220.

It is an arithmetic number, because the mean of its divisors is an integer number (4567752).

Almost surely, 2^57840745 is an apocalyptic number.

It is an amenable number.

57840745 is a deficient number, since it is larger than the sum of its proper divisors (15243287).

57840745 is a wasteful number, since it uses less digits than its factorization.

57840745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 57840745 is about 7605.3103158254. The cubic root of 57840745 is about 386.7330539830.

It can be divided in two parts, 57840 and 745, that added together give a palindrome (58585).

The spelling of 57840745 in words is "fifty-seven million, eight hundred forty thousand, seven hundred forty-five".