43734057696 has 144 divisors (see below), whose sum is σ = 142643356128. Its totient is φ = 12450816000.

The previous prime is 43734057673. The next prime is 43734057737. The reversal of 43734057696 is 69675043734.

It is a happy number.

43734057696 is a `hidden beast` number, since 4 + 37 + 34 + 0 + 576 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527896 + ... + 605096.

It is an arithmetic number, because the mean of its divisors is an integer number (990578862).

Almost surely, 2^43734057696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43734057696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71321678064).

43734057696 is an abundant number, since it is smaller than the sum of its proper divisors (98909298432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43734057696 is a wasteful number, since it uses less digits than its factorization.

43734057696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77505 (or 77494 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 54.

The spelling of 43734057696 in words is "forty-three billion, seven hundred thirty-four million, fifty-seven thousand, six hundred ninety-six".