127634473 has 4 divisors (see below), whose sum is σ = 127828228. Its totient is φ = 127440720.

The previous prime is 127634467. The next prime is 127634477. The reversal of 127634473 is 374436721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374436721 = 503 ⋅744407.

It can be written as a sum of positive squares in 2 ways, for example, as 45333289 + 82301184 = 6733^2 + 9072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127634473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127634477) 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, 95886 + ... + 97207.

It is an arithmetic number, because the mean of its divisors is an integer number (31957057).

Almost surely, 2^127634473 is an apocalyptic number.

It is an amenable number.

127634473 is a deficient number, since it is larger than the sum of its proper divisors (193755).

127634473 is an equidigital number, since it uses as much as digits as its factorization.

127634473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193754.

The product of its digits is 84672, while the sum is 37.

The square root of 127634473 is about 11297.5427859336. The cubic root of 127634473 is about 503.4882384593.

The spelling of 127634473 in words is "one hundred twenty-seven million, six hundred thirty-four thousand, four hundred seventy-three".