7282427 has 4 divisors (see below), whose sum is σ = 7517376. Its totient is φ = 7047480.

The previous prime is 7282423. The next prime is 7282459. The reversal of 7282427 is 7242827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7242827 = 547 ⋅13241.

It is a cyclic number.

It is not a de Polignac number, because 7282427 - 2² = 7282423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7282393 and 7282402.

It is not an unprimeable number, because it can be changed into a prime (7282423) 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, 117428 + ... + 117489.

It is an arithmetic number, because the mean of its divisors is an integer number (1879344).

Almost surely, 2^7282427 is an apocalyptic number.

7282427 is a deficient number, since it is larger than the sum of its proper divisors (234949).

7282427 is a wasteful number, since it uses less digits than its factorization.

7282427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234948.

The product of its digits is 12544, while the sum is 32.

The square root of 7282427 is about 2698.5972281910. The cubic root of 7282427 is about 193.8319567251.

The spelling of 7282427 in words is "seven million, two hundred eighty-two thousand, four hundred twenty-seven".