47537969 has 2 divisors, whose sum is σ = 47537970. Its totient is φ = 47537968.

The previous prime is 47537953. The next prime is 47538077. The reversal of 47537969 is 96973574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32638369 + 14899600 = 5713^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 47537969 - 2⁴ = 47537953 is a prime.

It is a super-2 number, since 2×47537969² = 4519716993289922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47537929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23768984 + 23768985.

It is an arithmetic number, because the mean of its divisors is an integer number (23768985).

Almost surely, 2^47537969 is an apocalyptic number.

It is an amenable number.

47537969 is a deficient number, since it is larger than the sum of its proper divisors (1).

47537969 is an equidigital number, since it uses as much as digits as its factorization.

47537969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 50.

The square root of 47537969 is about 6894.7783865763. The cubic root of 47537969 is about 362.2542931061.

The spelling of 47537969 in words is "forty-seven million, five hundred thirty-seven thousand, nine hundred sixty-nine".