43378741 has 8 divisors (see below), whose sum is σ = 49670720. Its totient is φ = 37110528.

The previous prime is 43378733. The next prime is 43378757. The reversal of 43378741 is 14787334.

43378741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 43378741 - 2³ = 43378733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43378741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43378771) 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, 1836 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (6208840).

Almost surely, 2^43378741 is an apocalyptic number.

It is an amenable number.

43378741 is a deficient number, since it is larger than the sum of its proper divisors (6291979).

43378741 is a wasteful number, since it uses less digits than its factorization.

43378741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883.

The product of its digits is 56448, while the sum is 37.

The square root of 43378741 is about 6586.2539428722. The cubic root of 43378741 is about 351.3653903380.

The spelling of 43378741 in words is "forty-three million, three hundred seventy-eight thousand, seven hundred forty-one".