542336739 has 16 divisors (see below), whose sum is σ = 827152128. Its totient is φ = 309631392.

The previous prime is 542336731. The next prime is 542336747. The reversal of 542336739 is 937633245.

It is an interprime number because it is at equal distance from previous prime (542336731) and next prime (542336747).

It is not a de Polignac number, because 542336739 - 2³ = 542336731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542336739.

It is not an unprimeable number, because it can be changed into a prime (542336731) 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, 14049 + ... + 35805.

It is an arithmetic number, because the mean of its divisors is an integer number (51697008).

Almost surely, 2^542336739 is an apocalyptic number.

542336739 is a deficient number, since it is larger than the sum of its proper divisors (284815389).

542336739 is a wasteful number, since it uses less digits than its factorization.

542336739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22954.

The product of its digits is 408240, while the sum is 42.

The square root of 542336739 is about 23288.1244199699. The cubic root of 542336739 is about 815.4982031750.

The spelling of 542336739 in words is "five hundred forty-two million, three hundred thirty-six thousand, seven hundred thirty-nine".