1672716127 has 4 divisors (see below), whose sum is σ = 1688349096. Its totient is φ = 1657083160.

The previous prime is 1672716109. The next prime is 1672716137. The reversal of 1672716127 is 7216172761.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672716127 is a prime.

It is a super-3 number, since 3×1672716127³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672716127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672716137) 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, 7816324 + ... + 7816537.

It is an arithmetic number, because the mean of its divisors is an integer number (422087274).

Almost surely, 2^1672716127 is an apocalyptic number.

1672716127 is a deficient number, since it is larger than the sum of its proper divisors (15632969).

1672716127 is a wasteful number, since it uses less digits than its factorization.

1672716127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15632968.

The product of its digits is 49392, while the sum is 40.

The square root of 1672716127 is about 40898.8523922127. The cubic root of 1672716127 is about 1187.0638550789.

Adding to 1672716127 its reverse (7216172761), we get a palindrome (8888888888).

The spelling of 1672716127 in words is "one billion, six hundred seventy-two million, seven hundred sixteen thousand, one hundred twenty-seven".