543242739 has 32 divisors (see below), whose sum is σ = 803960640. Its totient is φ = 324200448.

The previous prime is 543242717. The next prime is 543242747. The reversal of 543242739 is 937242345.

It is not a de Polignac number, because 543242739 - 2⁷ = 543242611 is a prime.

It is a super-2 number, since 2×543242739² = 590225346952444242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 543242697 and 543242706.

It is not an unprimeable number, because it can be changed into a prime (543241739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182487 + ... + 185439.

It is an arithmetic number, because the mean of its divisors is an integer number (25123770).

Almost surely, 2^543242739 is an apocalyptic number.

543242739 is a deficient number, since it is larger than the sum of its proper divisors (260717901).

543242739 is a wasteful number, since it uses less digits than its factorization.

543242739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111.

The product of its digits is 181440, while the sum is 39.

The square root of 543242739 is about 23307.5682772785. The cubic root of 543242739 is about 815.9520603925.

The spelling of 543242739 in words is "five hundred forty-three million, two hundred forty-two thousand, seven hundred thirty-nine".