1672733 has 8 divisors (see below), whose sum is σ = 1752408. Its totient is φ = 1594944.

The previous prime is 1672663. The next prime is 1672747. The reversal of 1672733 is 3372761.

1672733 = T₁₂₂ + T₁₂₃ + ... + T₂₂₇.

It can be written as a sum of positive squares in 4 ways, for example, as 334084 + 1338649 = 578^2 + 1157^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1672696 and 1672705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (219051).

2^1672733 is an apocalyptic number.

It is an amenable number.

1672733 is a deficient number, since it is larger than the sum of its proper divisors (79675).

1672733 is an equidigital number, since it uses as much as digits as its factorization.

1672733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 5292, while the sum is 29.

The square root of 1672733 is about 1293.3417955050. The cubic root of 1672733 is about 118.7067846444.

The spelling of 1672733 in words is "one million, six hundred seventy-two thousand, seven hundred thirty-three".