1670672 has 10 divisors (see below), whose sum is σ = 3236958. Its totient is φ = 835328.

The previous prime is 1670659. The next prime is 1670687. The reversal of 1670672 is 2760761.

1670672 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in only one way, i.e., 1175056 + 495616 = 1084^2 + 704^2 .

It is a super-2 number, since 2×1670672² = 5582289863168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52193 + ... + 52224.

2^1670672 is an apocalyptic number.

It is an amenable number.

1670672 is a deficient number, since it is larger than the sum of its proper divisors (1566286).

1670672 is a wasteful number, since it uses less digits than its factorization.

1670672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104425 (or 104419 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1670672 is about 1292.5447767872. The cubic root of 1670672 is about 118.6580111236.

The spelling of 1670672 in words is "one million, six hundred seventy thousand, six hundred seventy-two".