57430786 has 16 divisors (see below), whose sum is σ = 101629440. Its totient is φ = 23819040.

The previous prime is 57430783. The next prime is 57430823. The reversal of 57430786 is 68703475.

It is not an unprimeable number, because it can be changed into a prime (57430783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65731 + ... + 66598.

It is an arithmetic number, because the mean of its divisors is an integer number (6351840).

Almost surely, 2^57430786 is an apocalyptic number.

57430786 is a deficient number, since it is larger than the sum of its proper divisors (44198654).

57430786 is a wasteful number, since it uses less digits than its factorization.

57430786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132369.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 57430786 is about 7578.3102338186. The cubic root of 57430786 is about 385.8172016055.

The spelling of 57430786 in words is "fifty-seven million, four hundred thirty thousand, seven hundred eighty-six".