1672672 has 24 divisors (see below), whose sum is σ = 3323376. Its totient is φ = 828672.

The previous prime is 1672663. The next prime is 1672747. The reversal of 1672672 is 2762761.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

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, 5188 + ... + 5500.

It is an arithmetic number, because the mean of its divisors is an integer number (138474).

2^1672672 is an apocalyptic number.

It is an amenable number.

1672672 is a deficient number, since it is larger than the sum of its proper divisors (1650704).

1672672 is a wasteful number, since it uses less digits than its factorization.

1672672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 482 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 1672672 is about 1293.3182129700. The cubic root of 1672672 is about 118.7053416562.

It can be divided in two parts, 167 and 2672, that multiplied together give a square (446224 = 668²).

The spelling of 1672672 in words is "one million, six hundred seventy-two thousand, six hundred seventy-two".