47080447 has 4 divisors (see below), whose sum is σ = 47223016. Its totient is φ = 46937880.

The previous prime is 47080409. The next prime is 47080457. The reversal of 47080447 is 74408074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47080447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47080457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70788 + ... + 71449.

It is an arithmetic number, because the mean of its divisors is an integer number (11805754).

Almost surely, 2^47080447 is an apocalyptic number.

47080447 is the 3962-nd hex number.

47080447 is a deficient number, since it is larger than the sum of its proper divisors (142569).

47080447 is a wasteful number, since it uses less digits than its factorization.

47080447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142568.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 47080447 is about 6861.5192924016. The cubic root of 47080447 is about 361.0883908142.

The spelling of 47080447 in words is "forty-seven million, eighty thousand, four hundred forty-seven".