47473057 has 2 divisors, whose sum is σ = 47473058. Its totient is φ = 47473056.

The previous prime is 47473043. The next prime is 47473073. The reversal of 47473057 is 75037474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38328481 + 9144576 = 6191^2 + 3024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47473057 is a prime.

It is a super-2 number, since 2×47473057² = 4507382281850498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47473037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23736528 + 23736529.

It is an arithmetic number, because the mean of its divisors is an integer number (23736529).

Almost surely, 2^47473057 is an apocalyptic number.

It is an amenable number.

47473057 is a deficient number, since it is larger than the sum of its proper divisors (1).

47473057 is an equidigital number, since it uses as much as digits as its factorization.

47473057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 47473057 is about 6890.0694481260. The cubic root of 47473057 is about 362.0893347076.

The spelling of 47473057 in words is "forty-seven million, four hundred seventy-three thousand, fifty-seven".