742988543 has 16 divisors (see below), whose sum is σ = 821184000. Its totient is φ = 666614880.

The previous prime is 742988509. The next prime is 742988567. The reversal of 742988543 is 345889247.

It is a cyclic number.

It is not a de Polignac number, because 742988543 - 2¹⁴ = 742972159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742988491 and 742988500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742985543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394478 + ... + 396356.

It is an arithmetic number, because the mean of its divisors is an integer number (51324000).

Almost surely, 2^742988543 is an apocalyptic number.

742988543 is a deficient number, since it is larger than the sum of its proper divisors (78195457).

742988543 is a wasteful number, since it uses less digits than its factorization.

742988543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its digits is 1935360, while the sum is 50.

The square root of 742988543 is about 27257.8161817854. The cubic root of 742988543 is about 905.7201691073.

The spelling of 742988543 in words is "seven hundred forty-two million, nine hundred eighty-eight thousand, five hundred forty-three".