7980017 has 8 divisors (see below), whose sum is σ = 8297640. Its totient is φ = 7665280.

The previous prime is 7980013. The next prime is 7980029. The reversal of 7980017 is 7100897.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 6195121 = 1336^2 + 2489^2 .

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

It is not a de Polignac number, because 7980017 - 2² = 7980013 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6167 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (1037205).

Almost surely, 2^7980017 is an apocalyptic number.

It is an amenable number.

7980017 is a deficient number, since it is larger than the sum of its proper divisors (317623).

7980017 is a wasteful number, since it uses less digits than its factorization.

7980017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 7980017 is about 2824.8923873309. The cubic root of 7980017 is about 199.8333361544.

The spelling of 7980017 in words is "seven million, nine hundred eighty thousand, seventeen".