7283540 has 24 divisors (see below), whose sum is σ = 16686432. Its totient is φ = 2648480.

The previous prime is 7283539. The next prime is 7283569. The reversal of 7283540 is 453827.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16334 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (695268).

Almost surely, 2^7283540 is an apocalyptic number.

It is an amenable number.

7283540 is an abundant number, since it is smaller than the sum of its proper divisors (9402892).

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

7283540 is a wasteful number, since it uses less digits than its factorization.

7283540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33127 (or 33125 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 7283540 is about 2698.8034385631. The cubic root of 7283540 is about 193.8418309048.

The spelling of 7283540 in words is "seven million, two hundred eighty-three thousand, five hundred forty".