7029491868 has 36 divisors (see below), whose sum is σ = 20307421680. Its totient is φ = 2008426176.

The previous prime is 7029491867. The next prime is 7029491881. The reversal of 7029491868 is 8681949207.

7029491868 is a `hidden beast` number, since 70 + 2 + 9 + 491 + 86 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7029491867) 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 11 ways as a sum of consecutive naturals, for example, 13947153 + ... + 13947656.

Almost surely, 2^7029491868 is an apocalyptic number.

It is an amenable number.

7029491868 is an abundant number, since it is smaller than the sum of its proper divisors (13277929812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7029491868 is a wasteful number, since it uses less digits than its factorization.

7029491868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27894826 (or 27894821 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 7029491868 is about 83842.0650270495. The cubic root of 7029491868 is about 1915.6138908572.

The spelling of 7029491868 in words is "seven billion, twenty-nine million, four hundred ninety-one thousand, eight hundred sixty-eight".