7273533 has 4 divisors (see below), whose sum is σ = 9698048. Its totient is φ = 4849020.

The previous prime is 7273529. The next prime is 7273547. The reversal of 7273533 is 3353727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7273533 - 2² = 7273529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7273533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273583) 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, 1212253 + ... + 1212258.

It is an arithmetic number, because the mean of its divisors is an integer number (2424512).

Almost surely, 2^7273533 is an apocalyptic number.

It is an amenable number.

7273533 is a deficient number, since it is larger than the sum of its proper divisors (2424515).

7273533 is a wasteful number, since it uses less digits than its factorization.

7273533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424514.

The product of its digits is 13230, while the sum is 30.

The square root of 7273533 is about 2696.9488315502. The cubic root of 7273533 is about 193.7530158393.

The spelling of 7273533 in words is "seven million, two hundred seventy-three thousand, five hundred thirty-three".