40479713 has 2 divisors, whose sum is σ = 40479714. Its totient is φ = 40479712.

The previous prime is 40479667. The next prime is 40479743. The reversal of 40479713 is 31797404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38539264 + 1940449 = 6208^2 + 1393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40479713 is a prime.

It is not a weakly prime, because it can be changed into another prime (40479743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20239856 + 20239857.

It is an arithmetic number, because the mean of its divisors is an integer number (20239857).

Almost surely, 2^40479713 is an apocalyptic number.

It is an amenable number.

40479713 is a deficient number, since it is larger than the sum of its proper divisors (1).

40479713 is an equidigital number, since it uses as much as digits as its factorization.

40479713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 40479713 is about 6362.3669337755. The cubic root of 40479713 is about 343.3569228982.

The spelling of 40479713 in words is "forty million, four hundred seventy-nine thousand, seven hundred thirteen".