7980081 has 8 divisors (see below), whose sum is σ = 10814784. Its totient is φ = 5232720.

The previous prime is 7980067. The next prime is 7980101. The reversal of 7980081 is 1800897.

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

It is not a de Polignac number, because 7980081 - 2¹⁰ = 7979057 is a prime.

It is a super-2 number, since 2×7980081² = 127363385533122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7980031) 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 7 ways as a sum of consecutive naturals, for example, 21621 + ... + 21986.

It is an arithmetic number, because the mean of its divisors is an integer number (1351848).

Almost surely, 2^7980081 is an apocalyptic number.

It is an amenable number.

7980081 is a deficient number, since it is larger than the sum of its proper divisors (2834703).

7980081 is a wasteful number, since it uses less digits than its factorization.

7980081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43671.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 7980081 is about 2824.9037151733. The cubic root of 7980081 is about 199.8338703763.

The spelling of 7980081 in words is "seven million, nine hundred eighty thousand, eighty-one".