43724642734 has 12 divisors (see below), whose sum is σ = 69220592064. Its totient is φ = 20711672532.

The previous prime is 43724642711. The next prime is 43724642743.

43724642734 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 30279502 + ... + 30280945.

It is an arithmetic number, because the mean of its divisors is an integer number (5768382672).

Almost surely, 2^43724642734 is an apocalyptic number.

43724642734 is a deficient number, since it is larger than the sum of its proper divisors (25495949330).

43724642734 is a wasteful number, since it uses less digits than its factorization.

43724642734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60560487 (or 60560468 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 46.

The spelling of 43724642734 in words is "forty-three billion, seven hundred twenty-four million, six hundred forty-two thousand, seven hundred thirty-four".