82673533 has 4 divisors (see below), whose sum is σ = 87536700. Its totient is φ = 77810368.

The previous prime is 82673509. The next prime is 82673551. The reversal of 82673533 is 33537628.

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 24334489 + 58339044 = 4933^2 + 7638^2 .

It is a cyclic number.

It is not a de Polignac number, because 82673533 - 2⁵ = 82673501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82673492 and 82673501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82673593) 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, 2431558 + ... + 2431591.

It is an arithmetic number, because the mean of its divisors is an integer number (21884175).

Almost surely, 2^82673533 is an apocalyptic number.

It is an amenable number.

82673533 is a deficient number, since it is larger than the sum of its proper divisors (4863167).

82673533 is a wasteful number, since it uses less digits than its factorization.

82673533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863166.

The product of its digits is 90720, while the sum is 37.

The square root of 82673533 is about 9092.4987214737. The cubic root of 82673533 is about 435.6343991393.

The spelling of 82673533 in words is "eighty-two million, six hundred seventy-three thousand, five hundred thirty-three".