7280115 has 16 divisors (see below), whose sum is σ = 11920128. Its totient is φ = 3792096.

The previous prime is 7280113. The next prime is 7280129. The reversal of 7280115 is 5110827.

It is not a de Polignac number, because 7280115 - 2¹ = 7280113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7280113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (745008).

Almost surely, 2^7280115 is an apocalyptic number.

7280115 is a deficient number, since it is larger than the sum of its proper divisors (4640013).

7280115 is a wasteful number, since it uses less digits than its factorization.

7280115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11338.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 7280115 is about 2698.1688234801. The cubic root of 7280115 is about 193.8114421852.

The spelling of 7280115 in words is "seven million, two hundred eighty thousand, one hundred fifteen".