47451273 has 8 divisors (see below), whose sum is σ = 63311808. Its totient is φ = 31612464.

The previous prime is 47451269. The next prime is 47451311. The reversal of 47451273 is 37215474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47451273 - 2² = 47451269 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47451203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 9762.

It is an arithmetic number, because the mean of its divisors is an integer number (7913976).

Almost surely, 2^47451273 is an apocalyptic number.

It is an amenable number.

47451273 is a deficient number, since it is larger than the sum of its proper divisors (15860535).

47451273 is a wasteful number, since it uses less digits than its factorization.

47451273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863.

The product of its digits is 23520, while the sum is 33.

The square root of 47451273 is about 6888.4884408700. The cubic root of 47451273 is about 362.0339421589.

The spelling of 47451273 in words is "forty-seven million, four hundred fifty-one thousand, two hundred seventy-three".