7000491 has 4 divisors (see below), whose sum is σ = 9333992. Its totient is φ = 4666992.

The previous prime is 7000459. The next prime is 7000517. The reversal of 7000491 is 1940007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1940007 = 3 ⋅646669.

It is not a de Polignac number, because 7000491 - 2⁵ = 7000459 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (7000391) 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 3 ways as a sum of consecutive naturals, for example, 1166746 + ... + 1166751.

It is an arithmetic number, because the mean of its divisors is an integer number (2333498).

Almost surely, 2^7000491 is an apocalyptic number.

7000491 is a deficient number, since it is larger than the sum of its proper divisors (2333501).

7000491 is a wasteful number, since it uses less digits than its factorization.

7000491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333500.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 7000491 is about 2645.8440997156. The cubic root of 7000491 is about 191.2975907880.

Adding to 7000491 its reverse (1940007), we get a palindrome (8940498).

The spelling of 7000491 in words is "seven million, four hundred ninety-one", and thus it is an aban number.