43379018 has 4 divisors (see below), whose sum is σ = 65068530. Its totient is φ = 21689508.

The previous prime is 43378997. The next prime is 43379023. The reversal of 43379018 is 81097334.

43379018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 29888089 + 13490929 = 5467^2 + 3673^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10844753 + ... + 10844756.

Almost surely, 2^43379018 is an apocalyptic number.

43379018 is a deficient number, since it is larger than the sum of its proper divisors (21689512).

43379018 is a wasteful number, since it uses less digits than its factorization.

43379018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21689511.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 43379018 is about 6586.2749714843. The cubic root of 43379018 is about 351.3661382312.

The spelling of 43379018 in words is "forty-three million, three hundred seventy-nine thousand, eighteen".