7420493 has 2 divisors, whose sum is σ = 7420494. Its totient is φ = 7420492.

The previous prime is 7420481. The next prime is 7420499. The reversal of 7420493 is 3940247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5579044 + 1841449 = 2362^2 + 1357^2 .

It is an emirp because it is prime and its reverse (3940247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7420493 - 2¹⁰ = 7419469 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 4² + 2¹¹ + 0 + 4⁴ + 9⁵ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710246 + 3710247.

It is an arithmetic number, because the mean of its divisors is an integer number (3710247).

Almost surely, 2^7420493 is an apocalyptic number.

It is an amenable number.

7420493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420493 is an equidigital number, since it uses as much as digits as its factorization.

7420493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7420493 is about 2724.0581858690. The cubic root of 7420493 is about 195.0492358689.

The spelling of 7420493 in words is "seven million, four hundred twenty thousand, four hundred ninety-three".