7980002 has 4 divisors (see below), whose sum is σ = 11970006. Its totient is φ = 3990000.

The previous prime is 7979969. The next prime is 7980013. The reversal of 7980002 is 2000897.

7980002 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000897 = 293 ⋅6829.

It can be written as a sum of positive squares in only one way, i.e., 6105841 + 1874161 = 2471^2 + 1369^2 .

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 as a sum of consecutive naturals, namely, 1994999 + ... + 1995002.

Almost surely, 2^7980002 is an apocalyptic number.

7980002 is a deficient number, since it is larger than the sum of its proper divisors (3990004).

7980002 is a wasteful number, since it uses less digits than its factorization.

7980002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990003.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7980002 is about 2824.8897323612. The cubic root of 7980002 is about 199.8332109457.

Adding to 7980002 its reverse (2000897), we get a palindrome (9980899).

The spelling of 7980002 in words is "seven million, nine hundred eighty thousand, two".