7876081 has 8 divisors (see below), whose sum is σ = 8231400. Its totient is φ = 7526400.

The previous prime is 7876069. The next prime is 7876091. The reversal of 7876081 is 1806787.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1199025 + 6677056 = 1095^2 + 2584^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7876081 - 2¹¹ = 7874033 is a prime.

It is a super-2 number, since 2×7876081² = 124065303837122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7876081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7876031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1585 + ... + 4273.

It is an arithmetic number, because the mean of its divisors is an integer number (1028925).

Almost surely, 2^7876081 is an apocalyptic number.

It is an amenable number.

7876081 is a deficient number, since it is larger than the sum of its proper divisors (355319).

7876081 is a wasteful number, since it uses less digits than its factorization.

7876081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 7876081 is about 2806.4356397395. The cubic root of 7876081 is about 198.9619633875.

The spelling of 7876081 in words is "seven million, eight hundred seventy-six thousand, eighty-one".