7906081 has 2 divisors, whose sum is σ = 7906082. Its totient is φ = 7906080.

The previous prime is 7906069. The next prime is 7906099. The reversal of 7906081 is 1806097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5475600 + 2430481 = 2340^2 + 1559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7906081 is a prime.

It is a super-2 number, since 2×7906081² = 125012233557122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7906001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3953040 + 3953041.

It is an arithmetic number, because the mean of its divisors is an integer number (3953041).

Almost surely, 2^7906081 is an apocalyptic number.

It is an amenable number.

7906081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7906081 is an equidigital number, since it uses as much as digits as its factorization.

7906081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 7906081 is about 2811.7754177743. The cubic root of 7906081 is about 199.2142587628.

The spelling of 7906081 in words is "seven million, nine hundred six thousand, eighty-one".