47474969 has 2 divisors, whose sum is σ = 47474970. Its totient is φ = 47474968.

The previous prime is 47474963. The next prime is 47474993. The reversal of 47474969 is 96947474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 620944 = 6845^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 47474969 - 2⁴ = 47474953 is a prime.

It is a super-2 number, since 2×47474969² = 4507745363101922, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47474963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23737484 + 23737485.

It is an arithmetic number, because the mean of its divisors is an integer number (23737485).

Almost surely, 2^47474969 is an apocalyptic number.

It is an amenable number.

47474969 is a deficient number, since it is larger than the sum of its proper divisors (1).

47474969 is an equidigital number, since it uses as much as digits as its factorization.

47474969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 47474969 is about 6890.2081971447. The cubic root of 47474969 is about 362.0941957492.

The spelling of 47474969 in words is "forty-seven million, four hundred seventy-four thousand, nine hundred sixty-nine".