127672213 has 8 divisors (see below), whose sum is σ = 128443160. Its totient is φ = 126904320.

The previous prime is 127672201. The next prime is 127672217. The reversal of 127672213 is 312276721.

It can be written as a sum of positive squares in 4 ways, for example, as 82755409 + 44916804 = 9097^2 + 6702^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 127672213 - 2²¹ = 125575061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127672217) 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, 220981 + ... + 221557.

It is an arithmetic number, because the mean of its divisors is an integer number (16055395).

Almost surely, 2^127672213 is an apocalyptic number.

It is an amenable number.

127672213 is a deficient number, since it is larger than the sum of its proper divisors (770947).

127672213 is an equidigital number, since it uses as much as digits as its factorization.

127672213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its digits is 7056, while the sum is 31.

The square root of 127672213 is about 11299.2129371917. The cubic root of 127672213 is about 503.5378587359.

The spelling of 127672213 in words is "one hundred twenty-seven million, six hundred seventy-two thousand, two hundred thirteen".