47394769 has 2 divisors, whose sum is σ = 47394770. Its totient is φ = 47394768.

The previous prime is 47394751. The next prime is 47394803. The reversal of 47394769 is 96749374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29289744 + 18105025 = 5412^2 + 4255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47394769 is a prime.

It is a super-2 number, since 2×47394769² = 4492528257126722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47394719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23697384 + 23697385.

It is an arithmetic number, because the mean of its divisors is an integer number (23697385).

Almost surely, 2^47394769 is an apocalyptic number.

It is an amenable number.

47394769 is a deficient number, since it is larger than the sum of its proper divisors (1).

47394769 is an equidigital number, since it uses as much as digits as its factorization.

47394769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 47394769 is about 6884.3858840132. The cubic root of 47394769 is about 361.8901842249.

The spelling of 47394769 in words is "forty-seven million, three hundred ninety-four thousand, seven hundred sixty-nine".