539642747 has 16 divisors (see below), whose sum is σ = 653671872. Its totient is φ = 434903040.

The previous prime is 539642729. The next prime is 539642809. The reversal of 539642747 is 747246935.

It is a cyclic number.

It is not a de Polignac number, because 539642747 - 2⁶ = 539642683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (539642707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171347 + ... + 174467.

It is an arithmetic number, because the mean of its divisors is an integer number (40854492).

Almost surely, 2^539642747 is an apocalyptic number.

539642747 is a deficient number, since it is larger than the sum of its proper divisors (114029125).

539642747 is a wasteful number, since it uses less digits than its factorization.

539642747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598.

The product of its digits is 1270080, while the sum is 47.

The square root of 539642747 is about 23230.2119447929. The cubic root of 539642747 is about 814.1456650215.

The spelling of 539642747 in words is "five hundred thirty-nine million, six hundred forty-two thousand, seven hundred forty-seven".