7281002 has 8 divisors (see below), whose sum is σ = 11001636. Its totient is φ = 3613792.

The previous prime is 7280993. The next prime is 7281011. The reversal of 7281002 is 2001827.

It is an interprime number because it is at equal distance from previous prime (7280993) and next prime (7281011).

It can be written as a sum of positive squares in 2 ways, for example, as 6046681 + 1234321 = 2459^2 + 1111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 13013 + ... + 13560.

Almost surely, 2^7281002 is an apocalyptic number.

7281002 is a deficient number, since it is larger than the sum of its proper divisors (3720634).

7281002 is a wasteful number, since it uses less digits than its factorization.

7281002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26712.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 7281002 is about 2698.3331892114. Note that the first 3 decimals coincide. The cubic root of 7281002 is about 193.8193131125.

Adding to 7281002 its reverse (2001827), we get a palindrome (9282829).

The spelling of 7281002 in words is "seven million, two hundred eighty-one thousand, two".