540936673 has 8 divisors (see below), whose sum is σ = 543778920. Its totient is φ = 538101120.

The previous prime is 540936667. The next prime is 540936679. The reversal of 540936673 is 376639045.

It is an interprime number because it is at equal distance from previous prime (540936667) and next prime (540936679).

It can be written as a sum of positive squares in 4 ways, for example, as 4875264 + 536061409 = 2208^2 + 23153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540936673 is a prime.

It is a super-2 number, since 2×540936673² = 585224968392617858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540936679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252061 + ... + 254197.

It is an arithmetic number, because the mean of its divisors is an integer number (67972365).

Almost surely, 2^540936673 is an apocalyptic number.

It is an amenable number.

540936673 is a deficient number, since it is larger than the sum of its proper divisors (2842247).

540936673 is a wasteful number, since it uses less digits than its factorization.

540936673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 540936673 is about 23258.0453391939. The cubic root of 540936673 is about 814.7958503560.

The spelling of 540936673 in words is "five hundred forty million, nine hundred thirty-six thousand, six hundred seventy-three".