7428115 has 16 divisors (see below), whose sum is σ = 9249408. Its totient is φ = 5723136.

The previous prime is 7428079. The next prime is 7428119. The reversal of 7428115 is 5118247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7428115 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7428119) 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, 16939 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (578088).

Almost surely, 2^7428115 is an apocalyptic number.

7428115 is a deficient number, since it is larger than the sum of its proper divisors (1821293).

7428115 is a wasteful number, since it uses less digits than its factorization.

7428115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its digits is 2240, while the sum is 28.

The square root of 7428115 is about 2725.4568424394. The cubic root of 7428115 is about 195.1159949801.

The spelling of 7428115 in words is "seven million, four hundred twenty-eight thousand, one hundred fifteen".