540743797 has 24 divisors (see below), whose sum is σ = 606879000. Its totient is φ = 481367040.

The previous prime is 540743779. The next prime is 540743809. The reversal of 540743797 is 797347045.

It can be written as a sum of positive squares in 4 ways, for example, as 6625476 + 534118321 = 2574^2 + 23111^2 .

It is not a de Polignac number, because 540743797 - 2¹⁵ = 540711029 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540743897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1604413 + ... + 1604749.

It is an arithmetic number, because the mean of its divisors is an integer number (25286625).

Almost surely, 2^540743797 is an apocalyptic number.

It is an amenable number.

540743797 is a deficient number, since it is larger than the sum of its proper divisors (66135203).

540743797 is a wasteful number, since it uses less digits than its factorization.

540743797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 540743797 is about 23253.8985333642. The cubic root of 540743797 is about 814.6989978319.

The spelling of 540743797 in words is "five hundred forty million, seven hundred forty-three thousand, seven hundred ninety-seven".