7428097 has 4 divisors (see below), whose sum is σ = 7478100. Its totient is φ = 7378096.

The previous prime is 7428079. The next prime is 7428119. The reversal of 7428097 is 7908247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1032256 + 6395841 = 1016^2 + 2529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7428097 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7428007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24778 + ... + 25075.

It is an arithmetic number, because the mean of its divisors is an integer number (1869525).

Almost surely, 2^7428097 is an apocalyptic number.

It is an amenable number.

7428097 is a deficient number, since it is larger than the sum of its proper divisors (50003).

7428097 is a wasteful number, since it uses less digits than its factorization.

7428097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50002.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7428097 is about 2725.4535402388. The cubic root of 7428097 is about 195.1158373767.

The spelling of 7428097 in words is "seven million, four hundred twenty-eight thousand, ninety-seven".