7280797 has 4 divisors (see below), whose sum is σ = 7287840. Its totient is φ = 7273756.

The previous prime is 7280771. The next prime is 7280807. The reversal of 7280797 is 7970827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7280797 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280737) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1633 + ... + 4150.

It is an arithmetic number, because the mean of its divisors is an integer number (1821960).

Almost surely, 2^7280797 is an apocalyptic number.

It is an amenable number.

7280797 is a deficient number, since it is larger than the sum of its proper divisors (7043).

7280797 is a wasteful number, since it uses less digits than its factorization.

7280797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 7280797 is about 2698.2952025307. The cubic root of 7280797 is about 193.8174940711.

The spelling of 7280797 in words is "seven million, two hundred eighty thousand, seven hundred ninety-seven".