6739467840 has 336 divisors, whose sum is σ = 27658771200. Its totient is φ = 1540353024.

The previous prime is 6739467803. The next prime is 6739467883. The reversal of 6739467840 is 487649376.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 415401 + ... + 431319.

Almost surely, 2^6739467840 is an apocalyptic number.

6739467840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6739467840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13829385600).

6739467840 is an abundant number, since it is smaller than the sum of its proper divisors (20919303360).

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

6739467840 is a wasteful number, since it uses less digits than its factorization.

6739467840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15959 (or 15936 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The square root of 6739467840 is about 82094.2619188455. The cubic root of 6739467840 is about 1888.8981231588.

The spelling of 6739467840 in words is "six billion, seven hundred thirty-nine million, four hundred sixty-seven thousand, eight hundred forty".