43713913 has 8 divisors (see below), whose sum is σ = 44875656. Its totient is φ = 42556800.

The previous prime is 43713907. The next prime is 43713931. The reversal of 43713913 is 31931734.

43713913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4613904 + 39100009 = 2148^2 + 6253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43713913 - 2¹⁷ = 43582841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43713973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26295 + ... + 27907.

It is an arithmetic number, because the mean of its divisors is an integer number (5609457).

Almost surely, 2^43713913 is an apocalyptic number.

It is an amenable number.

43713913 is a deficient number, since it is larger than the sum of its proper divisors (1161743).

43713913 is a wasteful number, since it uses less digits than its factorization.

43713913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its digits is 6804, while the sum is 31.

The square root of 43713913 is about 6611.6497941134. The cubic root of 43713913 is about 352.2680277175.

The spelling of 43713913 in words is "forty-three million, seven hundred thirteen thousand, nine hundred thirteen".