47042273 has 2 divisors, whose sum is σ = 47042274. Its totient is φ = 47042272.

The previous prime is 47042269. The next prime is 47042287. The reversal of 47042273 is 37224074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31225744 + 15816529 = 5588^2 + 3977^2 .

It is a cyclic number.

It is not a de Polignac number, because 47042273 - 2² = 47042269 is a prime.

It is not a weakly prime, because it can be changed into another prime (47042573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23521136 + 23521137.

It is an arithmetic number, because the mean of its divisors is an integer number (23521137).

Almost surely, 2^47042273 is an apocalyptic number.

It is an amenable number.

47042273 is a deficient number, since it is larger than the sum of its proper divisors (1).

47042273 is an equidigital number, since it uses as much as digits as its factorization.

47042273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 47042273 is about 6858.7369828562. The cubic root of 47042273 is about 360.9907712693.

The spelling of 47042273 in words is "forty-seven million, forty-two thousand, two hundred seventy-three".