7284740 has 24 divisors (see below), whose sum is σ = 15386112. Its totient is φ = 2897120.

The previous prime is 7284689. The next prime is 7284749. The reversal of 7284740 is 474827.

It is a junction number, because it is equal to n+sod(n) for n = 7284697 and 7284706.

It is not an unprimeable number, because it can be changed into a prime (7284749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

Almost surely, 2^7284740 is an apocalyptic number.

It is an amenable number.

7284740 is an abundant number, since it is smaller than the sum of its proper divisors (8101372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7284740 is a wasteful number, since it uses less digits than its factorization.

7284740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).

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

The square root of 7284740 is about 2699.0257501550. The cubic root of 7284740 is about 193.8524757937.

The spelling of 7284740 in words is "seven million, two hundred eighty-four thousand, seven hundred forty".