7280755 has 8 divisors (see below), whose sum is σ = 8751600. Its totient is φ = 5814816.

The previous prime is 7280747. The next prime is 7280771. The reversal of 7280755 is 5570827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7280755 - 2³ = 7280747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7280755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4381 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (1093950).

Almost surely, 2^7280755 is an apocalyptic number.

7280755 is a deficient number, since it is larger than the sum of its proper divisors (1470845).

7280755 is a wasteful number, since it uses less digits than its factorization.

7280755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 7280755 is about 2698.2874198276. The cubic root of 7280755 is about 193.8171213853.

The spelling of 7280755 in words is "seven million, two hundred eighty thousand, seven hundred fifty-five".