540674 has 4 divisors (see below), whose sum is σ = 811014. Its totient is φ = 270336.

The previous prime is 540629. The next prime is 540677. The reversal of 540674 is 476045.

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

It can be written as a sum of positive squares in only one way, i.e., 368449 + 172225 = 607^2 + 415^2 .

It is not an unprimeable number, because it can be changed into a prime (540677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135167 + ... + 135170.

2⁵⁴⁰⁶⁷⁴ is an apocalyptic number.

540674 is a deficient number, since it is larger than the sum of its proper divisors (270340).

540674 is a wasteful number, since it uses less digits than its factorization.

540674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270339.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 540674 is about 735.3053787373. The cubic root of 540674 is about 81.4663943651.

The spelling of 540674 in words is "five hundred forty thousand, six hundred seventy-four".