729660543 has 16 divisors (see below), whose sum is σ = 980427360. Its totient is φ = 482678784.

The previous prime is 729660541. The next prime is 729660563. The reversal of 729660543 is 345066927.

It is not a de Polignac number, because 729660543 - 2¹ = 729660541 is a prime.

It is a super-2 number, since 2×729660543² = 1064809016022109698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 729660495 and 729660504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729660541) 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, 348243 + ... + 350331.

It is an arithmetic number, because the mean of its divisors is an integer number (61276710).

Almost surely, 2^729660543 is an apocalyptic number.

729660543 is a deficient number, since it is larger than the sum of its proper divisors (250766817).

729660543 is a wasteful number, since it uses less digits than its factorization.

729660543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 729660543 is about 27012.2295081321. The cubic root of 729660543 is about 900.2717463356.

The spelling of 729660543 in words is "seven hundred twenty-nine million, six hundred sixty thousand, five hundred forty-three".