7256493 has 8 divisors (see below), whose sum is σ = 10750400. Its totient is φ = 4837644.

The previous prime is 7256401. The next prime is 7256497. The reversal of 7256493 is 3946527.

7256493 is a `hidden beast` number, since 7 + 2 + 5 + 649 + 3 = 666.

It is not a de Polignac number, because 7256493 - 2¹⁴ = 7240109 is a prime.

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 (7256497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134353 + ... + 134406.

It is an arithmetic number, because the mean of its divisors is an integer number (1343800).

Almost surely, 2^7256493 is an apocalyptic number.

It is an amenable number.

7256493 is a deficient number, since it is larger than the sum of its proper divisors (3493907).

7256493 is a wasteful number, since it uses less digits than its factorization.

7256493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268768 (or 268762 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 7256493 is about 2693.7878535623. The cubic root of 7256493 is about 193.6015931869.

It can be divided in two parts, 72 and 56493, that added together give a palindrome (56565).

The spelling of 7256493 in words is "seven million, two hundred fifty-six thousand, four hundred ninety-three".