7000091 has 12 divisors (see below), whose sum is σ = 8186112. Its totient is φ = 5968368.

The previous prime is 7000087. The next prime is 7000109. The reversal of 7000091 is 1900007.

It is not a de Polignac number, because 7000091 - 2² = 7000087 is a prime.

It is a Duffinian number.

7000091 is a modest number, since divided by 91 gives 7 as remainder.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7000061) 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 11 ways as a sum of consecutive naturals, for example, 18086 + ... + 18468.

It is an arithmetic number, because the mean of its divisors is an integer number (682176).

Almost surely, 2^7000091 is an apocalyptic number.

7000091 is a deficient number, since it is larger than the sum of its proper divisors (1186021).

7000091 is a wasteful number, since it uses less digits than its factorization.

7000091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 7000091 is about 2645.7685083922. The cubic root of 7000091 is about 191.2939472105.

Adding to 7000091 its reverse (1900007), we get a palindrome (8900098).

The spelling of 7000091 in words is "seven million, ninety-one", and thus it is an aban number and an uban number.