1672319 has 4 divisors (see below), whose sum is σ = 1824360. Its totient is φ = 1520280.

The previous prime is 1672301. The next prime is 1672331. The reversal of 1672319 is 9132761.

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 1672319 - 2⁸ = 1672063 is a prime.

It is a super-2 number, since 2×1672319² = 5593301675522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1672291 and 1672300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672339) 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, 76004 + ... + 76025.

It is an arithmetic number, because the mean of its divisors is an integer number (456090).

2^1672319 is an apocalyptic number.

1672319 is a deficient number, since it is larger than the sum of its proper divisors (152041).

1672319 is a wasteful number, since it uses less digits than its factorization.

1672319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152040.

The product of its digits is 2268, while the sum is 29.

The square root of 1672319 is about 1293.1817351015. The cubic root of 1672319 is about 118.6969905601.

It can be divided in two parts, 1672 and 319, that added together give a palindrome (1991).

The spelling of 1672319 in words is "one million, six hundred seventy-two thousand, three hundred nineteen".