47308273 has 4 divisors (see below), whose sum is σ = 48314880. Its totient is φ = 46301668.

The previous prime is 47308259. The next prime is 47308321. The reversal of 47308273 is 37280374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47308273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47308243) 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, 503233 + ... + 503326.

It is an arithmetic number, because the mean of its divisors is an integer number (12078720).

Almost surely, 2^47308273 is an apocalyptic number.

It is an amenable number.

47308273 is a deficient number, since it is larger than the sum of its proper divisors (1006607).

47308273 is a wasteful number, since it uses less digits than its factorization.

47308273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006606.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 47308273 is about 6878.1009733792. The cubic root of 47308273 is about 361.6698989095.

The spelling of 47308273 in words is "forty-seven million, three hundred eight thousand, two hundred seventy-three".