47405069 has 2 divisors, whose sum is σ = 47405070. Its totient is φ = 47405068.

The previous prime is 47405011. The next prime is 47405087. The reversal of 47405069 is 96050474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35259844 + 12145225 = 5938^2 + 3485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47405069 is a prime.

It is a super-2 number, since 2×47405069² = 4494481133789522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47405009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23702534 + 23702535.

It is an arithmetic number, because the mean of its divisors is an integer number (23702535).

Almost surely, 2^47405069 is an apocalyptic number.

It is an amenable number.

47405069 is a deficient number, since it is larger than the sum of its proper divisors (1).

47405069 is an equidigital number, since it uses as much as digits as its factorization.

47405069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 47405069 is about 6885.1339130042. The cubic root of 47405069 is about 361.9163980806.

The spelling of 47405069 in words is "forty-seven million, four hundred five thousand, sixty-nine".