127305473 has 4 divisors (see below), whose sum is σ = 127360068. Its totient is φ = 127250880.

The previous prime is 127305467. The next prime is 127305487. The reversal of 127305473 is 374503721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76440049 + 50865424 = 8743^2 + 7132^2 .

It is a cyclic number.

It is not a de Polignac number, because 127305473 - 2¹⁴ = 127289089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127305403) 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, 23636 + ... + 28517.

It is an arithmetic number, because the mean of its divisors is an integer number (31840017).

Almost surely, 2^127305473 is an apocalyptic number.

It is an amenable number.

127305473 is a deficient number, since it is larger than the sum of its proper divisors (54595).

127305473 is an equidigital number, since it uses as much as digits as its factorization.

127305473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54594.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 127305473 is about 11282.9727022625. The cubic root of 127305473 is about 503.0552567858.

The spelling of 127305473 in words is "one hundred twenty-seven million, three hundred five thousand, four hundred seventy-three".