7438493 has 2 divisors, whose sum is σ = 7438494. Its totient is φ = 7438492.

The previous prime is 7438489. The next prime is 7438511. The reversal of 7438493 is 3948347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 458329 = 2642^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 7438493 - 2² = 7438489 is a prime.

It is a super-2 number, since 2×7438493² = 110662356222098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7438423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719246 + 3719247.

It is an arithmetic number, because the mean of its divisors is an integer number (3719247).

Almost surely, 2^7438493 is an apocalyptic number.

It is an amenable number.

7438493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7438493 is an equidigital number, since it uses as much as digits as its factorization.

7438493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 7438493 is about 2727.3600789041. The cubic root of 7438493 is about 195.2068197950.

It can be divided in two parts, 74 and 38493, that multiplied together give a palindrome (2848482).

The spelling of 7438493 in words is "seven million, four hundred thirty-eight thousand, four hundred ninety-three".