47431073 has 2 divisors, whose sum is σ = 47431074. Its totient is φ = 47431072.

The previous prime is 47431057. The next prime is 47431079. The reversal of 47431073 is 37013474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 10804369 = 6052^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 47431073 - 2⁴ = 47431057 is a prime.

It is not a weakly prime, because it can be changed into another prime (47431079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23715536 + 23715537.

It is an arithmetic number, because the mean of its divisors is an integer number (23715537).

Almost surely, 2^47431073 is an apocalyptic number.

It is an amenable number.

47431073 is a deficient number, since it is larger than the sum of its proper divisors (1).

47431073 is an equidigital number, since it uses as much as digits as its factorization.

47431073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 47431073 is about 6887.0220705324. The cubic root of 47431073 is about 361.9825622686.

The spelling of 47431073 in words is "forty-seven million, four hundred thirty-one thousand, seventy-three".