7480997 has 4 divisors (see below), whose sum is σ = 7549740. Its totient is φ = 7412256.

The previous prime is 7480937. The next prime is 7481009. The reversal of 7480997 is 7990847.

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 5410276 + 2070721 = 2326^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480997 - 2⁶ = 7480933 is a prime.

It is a super-2 number, since 2×7480997² = 111930632228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7480937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34208 + ... + 34425.

It is an arithmetic number, because the mean of its divisors is an integer number (1887435).

Almost surely, 2^7480997 is an apocalyptic number.

It is an amenable number.

7480997 is a deficient number, since it is larger than the sum of its proper divisors (68743).

7480997 is a wasteful number, since it uses less digits than its factorization.

7480997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68742.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 7480997 is about 2735.1411298140. The cubic root of 7480997 is about 195.5779217249.

The spelling of 7480997 in words is "seven million, four hundred eighty thousand, nine hundred ninety-seven".