540506673 has 48 divisors (see below), whose sum is σ = 910406016. Its totient is φ = 302641920.

The previous prime is 540506671. The next prime is 540506677. The reversal of 540506673 is 376605045.

540506673 is a `hidden beast` number, since 540 + 50 + 6 + 67 + 3 = 666.

It is not a de Polignac number, because 540506673 - 2¹ = 540506671 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540506671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 970111 + ... + 970667.

It is an arithmetic number, because the mean of its divisors is an integer number (18966792).

Almost surely, 2^540506673 is an apocalyptic number.

It is an amenable number.

540506673 is a deficient number, since it is larger than the sum of its proper divisors (369899343).

540506673 is a wasteful number, since it uses less digits than its factorization.

540506673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 540506673 is about 23248.7993883555. The cubic root of 540506673 is about 814.5798946440.

The spelling of 540506673 in words is "five hundred forty million, five hundred six thousand, six hundred seventy-three".