57640334 has 4 divisors (see below), whose sum is σ = 86460504. Its totient is φ = 28820166.

The previous prime is 57640333. The next prime is 57640337. The reversal of 57640334 is 43304675.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57640334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57640333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14410082 + ... + 14410085.

It is an arithmetic number, because the mean of its divisors is an integer number (21615126).

Almost surely, 2^57640334 is an apocalyptic number.

57640334 is a deficient number, since it is larger than the sum of its proper divisors (28820170).

57640334 is a wasteful number, since it uses less digits than its factorization.

57640334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28820169.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 57640334 is about 7592.1231549547. The cubic root of 57640334 is about 386.2858764412.

The spelling of 57640334 in words is "fifty-seven million, six hundred forty thousand, three hundred thirty-four".