1672073 has 4 divisors (see below), whose sum is σ = 1800708. Its totient is φ = 1543440.

The previous prime is 1672063. The next prime is 1672079. The reversal of 1672073 is 3702761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 1471369 = 448^2 + 1213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672073 - 2⁶ = 1672009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1672079) 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, 64298 + ... + 64323.

It is an arithmetic number, because the mean of its divisors is an integer number (450177).

2^1672073 is an apocalyptic number.

1672073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1672073 is a deficient number, since it is larger than the sum of its proper divisors (128635).

1672073 is a wasteful number, since it uses less digits than its factorization.

1672073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128634.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1672073 is about 1293.0866173617. The cubic root of 1672073 is about 118.6911701212.

The spelling of 1672073 in words is "one million, six hundred seventy-two thousand, seventy-three".