7273381 has 4 divisors (see below), whose sum is σ = 7308064. Its totient is φ = 7238700.

The previous prime is 7273379. The next prime is 7273393. The reversal of 7273381 is 1833727.

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 a cyclic number.

It is not a de Polignac number, because 7273381 - 2¹ = 7273379 is a prime.

It is a super-2 number, since 2×7273381² = 105804142342322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273481) 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, 17025 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (1827016).

Almost surely, 2^7273381 is an apocalyptic number.

It is an amenable number.

7273381 is a deficient number, since it is larger than the sum of its proper divisors (34683).

7273381 is a wasteful number, since it uses less digits than its factorization.

7273381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34682.

The product of its digits is 7056, while the sum is 31.

The square root of 7273381 is about 2696.9206514097. The cubic root of 7273381 is about 193.7516661667.

The spelling of 7273381 in words is "seven million, two hundred seventy-three thousand, three hundred eighty-one".