540737 has 4 divisors (see below), whose sum is σ = 542256. Its totient is φ = 539220.

The previous prime is 540713. The next prime is 540751. The reversal of 540737 is 737045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 737045 = 5 ⋅147409.

It is a cyclic number.

It is not a de Polignac number, because 540737 - 2¹⁰ = 539713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (135564).

2⁵⁴⁰⁷³⁷ is an apocalyptic number.

It is an amenable number.

540737 is a deficient number, since it is larger than the sum of its proper divisors (1519).

540737 is an equidigital number, since it uses as much as digits as its factorization.

540737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 540737 is about 735.3482168334. The cubic root of 540737 is about 81.4695584304.

The spelling of 540737 in words is "five hundred forty thousand, seven hundred thirty-seven".