6674247540 has 72 divisors (see below), whose sum is σ = 20311331040. Its totient is φ = 1773987264.

The previous prime is 6674247527. The next prime is 6674247551. The reversal of 6674247540 is 457424766.

6674247540 is a `hidden beast` number, since 6 + 67 + 4 + 2 + 47 + 540 = 666.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5130 + ... + 115649.

It is an arithmetic number, because the mean of its divisors is an integer number (282101820).

Almost surely, 2^6674247540 is an apocalyptic number.

6674247540 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 6674247540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10155665520).

6674247540 is an abundant number, since it is smaller than the sum of its proper divisors (13637083500).

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

6674247540 is a wasteful number, since it uses less digits than its factorization.

6674247540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121101 (or 121096 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 6674247540 is about 81696.0680816403. The cubic root of 6674247540 is about 1882.7851750214.

The spelling of 6674247540 in words is "six billion, six hundred seventy-four million, two hundred forty-seven thousand, five hundred forty".