1672219 has 2 divisors, whose sum is σ = 1672220. Its totient is φ = 1672218.

The previous prime is 1672199. The next prime is 1672243. The reversal of 1672219 is 9122761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672219 - 2⁷ = 1672091 is a prime.

It is a super-2 number, since 2×1672219² = 5592632767922, which contains 22 as substring.

1672219 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1672519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836109 + 836110.

It is an arithmetic number, because the mean of its divisors is an integer number (836110).

2^1672219 is an apocalyptic number.

1672219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672219 is an equidigital number, since it uses as much as digits as its factorization.

1672219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 1672219 is about 1293.1430701976. The cubic root of 1672219 is about 118.6946245969.

It can be divided in two parts, 1672 and 219, that added together give a triangular number (1891 = T₆₁).

The spelling of 1672219 in words is "one million, six hundred seventy-two thousand, two hundred nineteen".