57340738 has 16 divisors (see below), whose sum is σ = 105860160. Its totient is φ = 22684176.

The previous prime is 57340733. The next prime is 57340741. The reversal of 57340738 is 83704375.

It is a junction number, because it is equal to n+sod(n) for n = 57340697 and 57340706.

It is not an unprimeable number, because it can be changed into a prime (57340733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157348 + ... + 157711.

It is an arithmetic number, because the mean of its divisors is an integer number (6616260).

Almost surely, 2^57340738 is an apocalyptic number.

57340738 is a deficient number, since it is larger than the sum of its proper divisors (48519422).

57340738 is a wasteful number, since it uses less digits than its factorization.

57340738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315081.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 57340738 is about 7572.3667370248. The cubic root of 57340738 is about 385.6154501092.

The spelling of 57340738 in words is "fifty-seven million, three hundred forty thousand, seven hundred thirty-eight".