43721470742 has 16 divisors (see below), whose sum is σ = 66703282800. Its totient is φ = 21487537440.

The previous prime is 43721470733. The next prime is 43721470787. The reversal of 43721470742 is 24707412734.

It is a self number, because there is not a number n which added to its sum of digits gives 43721470742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55184 + ... + 300812.

It is an arithmetic number, because the mean of its divisors is an integer number (4168955175).

Almost surely, 2^43721470742 is an apocalyptic number.

43721470742 is a deficient number, since it is larger than the sum of its proper divisors (22981812058).

43721470742 is a wasteful number, since it uses less digits than its factorization.

43721470742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247151.

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 43721470742 in words is "forty-three billion, seven hundred twenty-one million, four hundred seventy thousand, seven hundred forty-two".