6749038080 has 240 divisors, whose sum is σ = 24750183744. Its totient is φ = 1693777920.

The previous prime is 6749038001. The next prime is 6749038099. The reversal of 6749038080 is 808309476.

It is a happy number.

6749038080 is a `hidden beast` number, since 6 + 7 + 490 + 3 + 80 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383065 + ... + 400295.

Almost surely, 2^6749038080 is an apocalyptic number.

6749038080 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 6749038080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12375091872).

6749038080 is an abundant number, since it is smaller than the sum of its proper divisors (18001145664).

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

6749038080 is a wasteful number, since it uses less digits than its factorization.

6749038080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17277 (or 17258 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 6749038080 is about 82152.5293585048. The cubic root of 6749038080 is about 1889.7917970030.

It can be divided in two parts, 67490 and 38080, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 6749038080 in words is "six billion, seven hundred forty-nine million, thirty-eight thousand, eighty".