7280245 has 16 divisors (see below), whose sum is σ = 10114560. Its totient is φ = 4927104.

The previous prime is 7280197. The next prime is 7280263. The reversal of 7280245 is 5420827.

It is not a de Polignac number, because 7280245 - 2⁹ = 7279733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (632160).

Almost surely, 2^7280245 is an apocalyptic number.

It is an amenable number.

7280245 is a deficient number, since it is larger than the sum of its proper divisors (2834315).

7280245 is a wasteful number, since it uses less digits than its factorization.

7280245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7280245 is about 2698.1929137851. The cubic root of 7280245 is about 193.8125957997.

The spelling of 7280245 in words is "seven million, two hundred eighty thousand, two hundred forty-five".