7284479 has 4 divisors (see below), whose sum is σ = 7421976. Its totient is φ = 7146984.

The previous prime is 7284463. The next prime is 7284493. The reversal of 7284479 is 9744827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9744827 = 2549 ⋅3823.

It is a cyclic number.

It is not a de Polignac number, because 7284479 - 2⁴ = 7284463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7284419) 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, 68669 + ... + 68774.

It is an arithmetic number, because the mean of its divisors is an integer number (1855494).

Almost surely, 2^7284479 is an apocalyptic number.

7284479 is a deficient number, since it is larger than the sum of its proper divisors (137497).

7284479 is a wasteful number, since it uses less digits than its factorization.

7284479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137496.

The product of its digits is 112896, while the sum is 41.

The square root of 7284479 is about 2698.9773989421. The cubic root of 7284479 is about 193.8501606299.

The spelling of 7284479 in words is "seven million, two hundred eighty-four thousand, four hundred seventy-nine".