43745730047 has 4 divisors (see below), whose sum is σ = 43771570920. Its totient is φ = 43719889176.

The previous prime is 43745730031. The next prime is 43745730071. The reversal of 43745730047 is 74003754734.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43745730047 - 2⁴ = 43745730031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43745730247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12917897 + ... + 12921282.

It is an arithmetic number, because the mean of its divisors is an integer number (10942892730).

Almost surely, 2^43745730047 is an apocalyptic number.

43745730047 is a deficient number, since it is larger than the sum of its proper divisors (25840873).

43745730047 is a wasteful number, since it uses less digits than its factorization.

43745730047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25840872.

The product of its (nonzero) digits is 987840, while the sum is 44.

The spelling of 43745730047 in words is "forty-three billion, seven hundred forty-five million, seven hundred thirty thousand, forty-seven".