7278283 has 4 divisors (see below), whose sum is σ = 7320528. Its totient is φ = 7236040.

The previous prime is 7278269. The next prime is 7278343. The reversal of 7278283 is 3828727.

7278283 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3828727 = 7 ⋅546961.

It is a cyclic number.

It is not a de Polignac number, because 7278283 - 2⁵ = 7278251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7278253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20863 + ... + 21208.

It is an arithmetic number, because the mean of its divisors is an integer number (1830132).

Almost surely, 2^7278283 is an apocalyptic number.

7278283 is a deficient number, since it is larger than the sum of its proper divisors (42245).

7278283 is a wasteful number, since it uses less digits than its factorization.

7278283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42244.

The product of its digits is 37632, while the sum is 37.

The square root of 7278283 is about 2697.8293126141. The cubic root of 7278283 is about 193.7951836348.

The spelling of 7278283 in words is "seven million, two hundred seventy-eight thousand, two hundred eighty-three".