7268831 has 4 divisors (see below), whose sum is σ = 7336872. Its totient is φ = 7200792.

The previous prime is 7268827. The next prime is 7268857. The reversal of 7268831 is 1388627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7268831 - 2² = 7268827 is a prime.

It is a super-2 number, since 2×7268831² = 105671808213122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7268791 and 7268800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7268881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33860 + ... + 34073.

It is an arithmetic number, because the mean of its divisors is an integer number (1834218).

Almost surely, 2^7268831 is an apocalyptic number.

7268831 is a deficient number, since it is larger than the sum of its proper divisors (68041).

7268831 is a wasteful number, since it uses less digits than its factorization.

7268831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68040.

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

The square root of 7268831 is about 2696.0769647768. The cubic root of 7268831 is about 193.7112560754.

The spelling of 7268831 in words is "seven million, two hundred sixty-eight thousand, eight hundred thirty-one".