540069975 has 18 divisors (see below), whose sum is σ = 967325736. Its totient is φ = 288037200.

The previous prime is 540069931. The next prime is 540069979. The reversal of 540069975 is 579960045.

It is a happy number.

It is not a de Polignac number, because 540069975 - 2¹⁰ = 540068951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 540069975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540069979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1199931 + ... + 1200380.

Almost surely, 2^540069975 is an apocalyptic number.

540069975 is a deficient number, since it is larger than the sum of its proper divisors (427255761).

540069975 is a wasteful number, since it uses less digits than its factorization.

540069975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400327 (or 2400319 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 540069975 is about 23239.4056507476. The cubic root of 540069975 is about 814.3604577875.

The spelling of 540069975 in words is "five hundred forty million, sixty-nine thousand, nine hundred seventy-five".