1672533 has 12 divisors (see below), whose sum is σ = 2446080. Its totient is φ = 1101096.

The previous prime is 1672529. The next prime is 1672549. The reversal of 1672533 is 3352761.

It is a happy number.

It is not a de Polignac number, because 1672533 - 2² = 1672529 is a prime.

It is a d-powerful number, because it can be written as 1 + 6² + 7 + 2⁵ + 5⁷ + 3² + 3¹³ .

1672533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1672497 and 1672506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373 + ... + 1866.

It is an arithmetic number, because the mean of its divisors is an integer number (203840).

2^1672533 is an apocalyptic number.

1672533 is the 747-th octagonal number.

It is an amenable number.

1672533 is a deficient number, since it is larger than the sum of its proper divisors (773547).

1672533 is a wasteful number, since it uses less digits than its factorization.

1672533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2325 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 1672533 is about 1293.2644741119. The cubic root of 1672533 is about 118.7020534045.

The spelling of 1672533 in words is "one million, six hundred seventy-two thousand, five hundred thirty-three".