56740 has 12 divisors (see below), whose sum is σ = 119196. Its totient is φ = 22688.

The previous prime is 56737. The next prime is 56747. The reversal of 56740 is 4765.

56740 = T₃₂ + T₃₃ + ... + T₇₁.

It can be written as a sum of positive squares in 2 ways, for example, as 9216 + 47524 = 96^2 + 218^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (56747) 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, 1399 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (9933).

2⁵⁶⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

56740 is an abundant number, since it is smaller than the sum of its proper divisors (62456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59598).

56740 is a wasteful number, since it uses less digits than its factorization.

56740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 56740 is about 238.2015952927. The cubic root of 56740 is about 38.4264068942.

The spelling of 56740 in words is "fifty-six thousand, seven hundred forty".