7240028 has 18 divisors (see below), whose sum is σ = 13461336. Its totient is φ = 3406528.

The previous prime is 7240001. The next prime is 7240031. The reversal of 7240028 is 8200427.

It is a junction number, because it is equal to n+sod(n) for n = 7239985 and 7240012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1976 + ... + 4287.

It is an arithmetic number, because the mean of its divisors is an integer number (747852).

Almost surely, 2^7240028 is an apocalyptic number.

It is an amenable number.

7240028 is a deficient number, since it is larger than the sum of its proper divisors (6221308).

7240028 is a wasteful number, since it uses less digits than its factorization.

7240028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6301 (or 6282 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 7240028 is about 2690.7300124687. The cubic root of 7240028 is about 193.4550548061.

The spelling of 7240028 in words is "seven million, two hundred forty thousand, twenty-eight".