540770 has 16 divisors (see below), whose sum is σ = 1030968. Its totient is φ = 203520.

The previous prime is 540769. The next prime is 540773. The reversal of 540770 is 77045.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 383161 + 157609 = 619^2 + 397^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 1760.

2⁵⁴⁰⁷⁷⁰ is an apocalyptic number.

540770 is a deficient number, since it is larger than the sum of its proper divisors (490198).

540770 is a wasteful number, since it uses less digits than its factorization.

540770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 540770 is about 735.3706548401. The cubic root of 540770 is about 81.4712156998.

The spelling of 540770 in words is "five hundred forty thousand, seven hundred seventy".