43680479 has 2 divisors, whose sum is σ = 43680480. Its totient is φ = 43680478.

The previous prime is 43680451. The next prime is 43680521. The reversal of 43680479 is 97408634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43680479 - 2²⁴ = 26903263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43680419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21840239 + 21840240.

It is an arithmetic number, because the mean of its divisors is an integer number (21840240).

Almost surely, 2^43680479 is an apocalyptic number.

43680479 is a deficient number, since it is larger than the sum of its proper divisors (1).

43680479 is an equidigital number, since it uses as much as digits as its factorization.

43680479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 43680479 is about 6609.1208946425. The cubic root of 43680479 is about 352.1781956527.

The spelling of 43680479 in words is "forty-three million, six hundred eighty thousand, four hundred seventy-nine".