7280648 has 24 divisors (see below), whose sum is σ = 14413230. Its totient is φ = 3447360.

The previous prime is 7280639. The next prime is 7280671. The reversal of 7280648 is 8460827.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 1444 = 2698^2 + 38^2 .

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, 1628 + ... + 4148.

Almost surely, 2^7280648 is an apocalyptic number.

It is an amenable number.

7280648 is a deficient number, since it is larger than the sum of its proper divisors (7132582).

7280648 is a wasteful number, since it uses less digits than its factorization.

7280648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 7280648 is about 2698.2675923637. The cubic root of 7280648 is about 193.8161719172.

The spelling of 7280648 in words is "seven million, two hundred eighty thousand, six hundred forty-eight".