47030447 has 2 divisors, whose sum is σ = 47030448. Its totient is φ = 47030446.

The previous prime is 47030443. The next prime is 47030461. The reversal of 47030447 is 74403074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47030447 - 2² = 47030443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47030443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23515223 + 23515224.

It is an arithmetic number, because the mean of its divisors is an integer number (23515224).

Almost surely, 2^47030447 is an apocalyptic number.

47030447 is a deficient number, since it is larger than the sum of its proper divisors (1).

47030447 is an equidigital number, since it uses as much as digits as its factorization.

47030447 is an evil number, because the sum of its binary digits is even.

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

The square root of 47030447 is about 6857.8748165886. The cubic root of 47030447 is about 360.9605188008.

The spelling of 47030447 in words is "forty-seven million, thirty thousand, four hundred forty-seven".