7242784 has 12 divisors (see below), whose sum is σ = 14259294. Its totient is φ = 3621376.

The previous prime is 7242751. The next prime is 7242793. The reversal of 7242784 is 4872427.

It can be written as a sum of positive squares in only one way, i.e., 6906384 + 336400 = 2628^2 + 580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113137 + ... + 113200.

Almost surely, 2^7242784 is an apocalyptic number.

It is an amenable number.

7242784 is a deficient number, since it is larger than the sum of its proper divisors (7016510).

7242784 is a wasteful number, since it uses less digits than its factorization.

7242784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226347 (or 226339 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 7242784 is about 2691.2420924176. The cubic root of 7242784 is about 193.4795986566.

The spelling of 7242784 in words is "seven million, two hundred forty-two thousand, seven hundred eighty-four".