47070689 has 2 divisors, whose sum is σ = 47070690. Its totient is φ = 47070688.

The previous prime is 47070643. The next prime is 47070701. The reversal of 47070689 is 98607074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 16875664 = 5495^2 + 4108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47070689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47070389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23535344 + 23535345.

It is an arithmetic number, because the mean of its divisors is an integer number (23535345).

Almost surely, 2^47070689 is an apocalyptic number.

It is an amenable number.

47070689 is a deficient number, since it is larger than the sum of its proper divisors (1).

47070689 is an equidigital number, since it uses as much as digits as its factorization.

47070689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 47070689 is about 6860.8081885446. The cubic root of 47070689 is about 361.0634424248.

The spelling of 47070689 in words is "forty-seven million, seventy thousand, six hundred eighty-nine".