43670713 has 2 divisors, whose sum is σ = 43670714. Its totient is φ = 43670712.

The previous prime is 43670677. The next prime is 43670743. The reversal of 43670713 is 31707634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 7225344 = 6037^2 + 2688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43670713 is a prime.

It is equal to p_2642656 and since 43670713 and 2642656 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (43670743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21835356 + 21835357.

It is an arithmetic number, because the mean of its divisors is an integer number (21835357).

Almost surely, 2^43670713 is an apocalyptic number.

It is an amenable number.

43670713 is a deficient number, since it is larger than the sum of its proper divisors (1).

43670713 is an equidigital number, since it uses as much as digits as its factorization.

43670713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 43670713 is about 6608.3820258820. The cubic root of 43670713 is about 352.1519472484.

The spelling of 43670713 in words is "forty-three million, six hundred seventy thousand, seven hundred thirteen".