2006748740 has 12 divisors (see below), whose sum is σ = 4214172396. Its totient is φ = 802699488.

The previous prime is 2006748739. The next prime is 2006748743. The reversal of 2006748740 is 478476002.

It can be written as a sum of positive squares in 2 ways, for example, as 1347183616 + 659565124 = 36704^2 + 25682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2006748694 and 2006748703.

It is not an unprimeable number, because it can be changed into a prime (2006748743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50168699 + ... + 50168738.

It is an arithmetic number, because the mean of its divisors is an integer number (351181033).

Almost surely, 2^2006748740 is an apocalyptic number.

2006748740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006748740 is an abundant number, since it is smaller than the sum of its proper divisors (2207423656).

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

2006748740 is a wasteful number, since it uses less digits than its factorization.

2006748740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100337446 (or 100337444 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 2006748740 is about 44796.7492124150. The cubic root of 2006748740 is about 1261.3366054817.

The spelling of 2006748740 in words is "two billion, six million, seven hundred forty-eight thousand, seven hundred forty".