7081408071 has 24 divisors (see below), whose sum is σ = 10615484880. Its totient is φ = 4717403712.

The previous prime is 7081408049. The next prime is 7081408093. The reversal of 7081408071 is 1708041807.

It is an interprime number because it is at equal distance from previous prime (7081408049) and next prime (7081408093).

It is not a de Polignac number, because 7081408071 - 2⁷ = 7081407943 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7081407071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337051 + ... + 357443.

It is an arithmetic number, because the mean of its divisors is an integer number (442311870).

Almost surely, 2^7081408071 is an apocalyptic number.

7081408071 is a deficient number, since it is larger than the sum of its proper divisors (3534076809).

7081408071 is a wasteful number, since it uses less digits than its factorization.

7081408071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21837 (or 21825 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 7081408071 is about 84151.1026130971. The cubic root of 7081408071 is about 1920.3182407056.

Adding to 7081408071 its reverse (1708041807), we get a palindrome (8789449878).

The spelling of 7081408071 in words is "seven billion, eighty-one million, four hundred eight thousand, seventy-one".