672167219 has 2 divisors, whose sum is σ = 672167220. Its totient is φ = 672167218.

The previous prime is 672167213. The next prime is 672167231. The reversal of 672167219 is 912761276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672167219 is a prime.

It is a super-2 number, since 2×672167219² = 903617540596387922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (672167213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336083609 + 336083610.

It is an arithmetic number, because the mean of its divisors is an integer number (336083610).

Almost surely, 2^672167219 is an apocalyptic number.

672167219 is a deficient number, since it is larger than the sum of its proper divisors (1).

672167219 is an equidigital number, since it uses as much as digits as its factorization.

672167219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 672167219 is about 25926.1878994965. The cubic root of 672167219 is about 875.9764746120.

The spelling of 672167219 in words is "six hundred seventy-two million, one hundred sixty-seven thousand, two hundred nineteen".