7268381 has 4 divisors (see below), whose sum is σ = 7292064. Its totient is φ = 7244700.

The previous prime is 7268351. The next prime is 7268383. The reversal of 7268381 is 1838627.

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 7268381 - 2¹⁴ = 7251997 is a prime.

It is a super-2 number, since 2×7268381² = 105658724722322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7268383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11375 + ... + 11996.

It is an arithmetic number, because the mean of its divisors is an integer number (1823016).

Almost surely, 2^7268381 is an apocalyptic number.

It is an amenable number.

7268381 is a deficient number, since it is larger than the sum of its proper divisors (23683).

7268381 is a wasteful number, since it uses less digits than its factorization.

7268381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23682.

The product of its digits is 16128, while the sum is 35.

The square root of 7268381 is about 2695.9935088943. The cubic root of 7268381 is about 193.7072585566.

Adding to 7268381 its sum of digits (35), we get a square (7268416 = 2696²).

The spelling of 7268381 in words is "seven million, two hundred sixty-eight thousand, three hundred eighty-one".