43376013 has 16 divisors (see below), whose sum is σ = 64491840. Its totient is φ = 28813392.

The previous prime is 43375987. The next prime is 43376017. The reversal of 43376013 is 31067334.

It is a happy number.

It is not a de Polignac number, because 43376013 - 2¹² = 43371917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43376017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5170 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (4030740).

Almost surely, 2^43376013 is an apocalyptic number.

It is an amenable number.

43376013 is a deficient number, since it is larger than the sum of its proper divisors (21115827).

43376013 is a wasteful number, since it uses less digits than its factorization.

43376013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 43376013 is about 6586.0468416190. The cubic root of 43376013 is about 351.3580246341.

The spelling of 43376013 in words is "forty-three million, three hundred seventy-six thousand, thirteen".