43472879 has 4 divisors (see below), whose sum is σ = 44293176. Its totient is φ = 42652584.

The previous prime is 43472861. The next prime is 43472899. The reversal of 43472879 is 97827434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97827434 = 2 ⋅48913717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43472879 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 (43472899) 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, 410069 + ... + 410174.

It is an arithmetic number, because the mean of its divisors is an integer number (11073294).

Almost surely, 2^43472879 is an apocalyptic number.

43472879 is a deficient number, since it is larger than the sum of its proper divisors (820297).

43472879 is an equidigital number, since it uses as much as digits as its factorization.

43472879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820296.

The product of its digits is 338688, while the sum is 44.

The square root of 43472879 is about 6593.3966208624. The cubic root of 43472879 is about 351.6193775525.

The spelling of 43472879 in words is "forty-three million, four hundred seventy-two thousand, eight hundred seventy-nine".