672431127 has 4 divisors (see below), whose sum is σ = 896574840. Its totient is φ = 448287416.

The previous prime is 672431117. The next prime is 672431129. The reversal of 672431127 is 721134276.

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

It is a cyclic number.

It is not a de Polignac number, because 672431127 - 2²² = 668236823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672431129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112071852 + ... + 112071857.

It is an arithmetic number, because the mean of its divisors is an integer number (224143710).

Almost surely, 2^672431127 is an apocalyptic number.

672431127 is a deficient number, since it is larger than the sum of its proper divisors (224143713).

672431127 is a wasteful number, since it uses less digits than its factorization.

672431127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224143712.

The product of its digits is 14112, while the sum is 33.

The square root of 672431127 is about 25931.2770028782. The cubic root of 672431127 is about 876.0911023140.

The spelling of 672431127 in words is "six hundred seventy-two million, four hundred thirty-one thousand, one hundred twenty-seven".