6746173440 has 208 divisors, whose sum is σ = 22725110400. Its totient is φ = 1704001536.

The previous prime is 6746173439. The next prime is 6746173451. The reversal of 6746173440 is 443716476.

It is a super-2 number, since 2×6746173440² = 91021712165122867200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6746173392 and 6746173401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164471 + ... + 1170249.

Almost surely, 2^6746173440 is an apocalyptic number.

6746173440 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 6746173440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11362555200).

6746173440 is an abundant number, since it is smaller than the sum of its proper divisors (15978936960).

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

6746173440 is a wasteful number, since it uses less digits than its factorization.

6746173440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 6746173440 is about 82135.0926218507. The cubic root of 6746173440 is about 1889.5243841152.

The spelling of 6746173440 in words is "six billion, seven hundred forty-six million, one hundred seventy-three thousand, four hundred forty".