7997482 has 4 divisors (see below), whose sum is σ = 11996226. Its totient is φ = 3998740.

The previous prime is 7997477. The next prime is 7997489. The reversal of 7997482 is 2847997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2847997 = 1429 ⋅1993.

It can be written as a sum of positive squares in only one way, i.e., 5659641 + 2337841 = 2379^2 + 1529^2 .

It is a d-powerful number, because it can be written as 7³ + 9 + 9 + 7⁸ + 4⁶ + 8⁷ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (7997489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999369 + ... + 1999372.

Almost surely, 2^7997482 is an apocalyptic number.

7997482 is a deficient number, since it is larger than the sum of its proper divisors (3998744).

7997482 is a wasteful number, since it uses less digits than its factorization.

7997482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998743.

The product of its digits is 254016, while the sum is 46.

The square root of 7997482 is about 2827.9819659962. The cubic root of 7997482 is about 199.9790144648.

It can be divided in two parts, 799 and 7482, that added together give a square (8281 = 91²).

The spelling of 7997482 in words is "seven million, nine hundred ninety-seven thousand, four hundred eighty-two".