7872533 has 4 divisors (see below), whose sum is σ = 8064588. Its totient is φ = 7680480.

The previous prime is 7872521. The next prime is 7872541. The reversal of 7872533 is 3352787.

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 4571044 + 3301489 = 2138^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 7872533 - 2¹² = 7868437 is a prime.

It is a d-powerful number, because it can be written as 7² + 8⁷ + 7⁸ + 2¹³ + 5³ + 3³ + 3⁷ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7872493 and 7872502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872583) 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, 95966 + ... + 96047.

It is an arithmetic number, because the mean of its divisors is an integer number (2016147).

Almost surely, 2^7872533 is an apocalyptic number.

It is an amenable number.

7872533 is a deficient number, since it is larger than the sum of its proper divisors (192055).

7872533 is a wasteful number, since it uses less digits than its factorization.

7872533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192054.

The product of its digits is 35280, while the sum is 35.

The square root of 7872533 is about 2805.8034499943. The cubic root of 7872533 is about 198.9320829147.

The spelling of 7872533 in words is "seven million, eight hundred seventy-two thousand, five hundred thirty-three".