1672018 has 8 divisors (see below), whose sum is σ = 2655612. Its totient is φ = 786816.

The previous prime is 1672009. The next prime is 1672037. The reversal of 1672018 is 8102761.

It can be written as a sum of positive squares in 2 ways, for example, as 1671849 + 169 = 1293^2 + 13^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1671983 and 1672001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24555 + ... + 24622.

2^1672018 is an apocalyptic number.

1672018 is a deficient number, since it is larger than the sum of its proper divisors (983594).

1672018 is a wasteful number, since it uses less digits than its factorization.

1672018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49196.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1672018 is about 1293.0653502434. The cubic root of 1672018 is about 118.6898687255.

Adding to 1672018 its reverse (8102761), we get a palindrome (9774779).

The spelling of 1672018 in words is "one million, six hundred seventy-two thousand, eighteen".