7980073 has 4 divisors (see below), whose sum is σ = 7985860. Its totient is φ = 7974288.

The previous prime is 7980067. The next prime is 7980101. The reversal of 7980073 is 3700897.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3700897 = 1217 ⋅3041.

It can be written as a sum of positive squares in 2 ways, for example, as 4012009 + 3968064 = 2003^2 + 1992^2 .

It is a cyclic number.

It is not a de Polignac number, because 7980073 - 2⁵ = 7980041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7980013) 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, 511 + ... + 4027.

It is an arithmetic number, because the mean of its divisors is an integer number (1996465).

Almost surely, 2^7980073 is an apocalyptic number.

It is an amenable number.

7980073 is a deficient number, since it is larger than the sum of its proper divisors (5787).

7980073 is a wasteful number, since it uses less digits than its factorization.

7980073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 7980073 is about 2824.9022991955. The cubic root of 7980073 is about 199.8338035987.

The spelling of 7980073 in words is "seven million, nine hundred eighty thousand, seventy-three".