2005340738 has 8 divisors (see below), whose sum is σ = 3016631100. Its totient is φ = 999797040.

The previous prime is 2005340737. The next prime is 2005340761. The reversal of 2005340738 is 8370435002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1833809329 + 171531409 = 42823^2 + 13097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2005340737) 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, 1435793 + ... + 1437188.

Almost surely, 2^2005340738 is an apocalyptic number.

2005340738 is a deficient number, since it is larger than the sum of its proper divisors (1011290362).

2005340738 is a wasteful number, since it uses less digits than its factorization.

2005340738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873332.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2005340738 is about 44781.0310064429. The cubic root of 2005340738 is about 1261.0415378186.

The spelling of 2005340738 in words is "two billion, five million, three hundred forty thousand, seven hundred thirty-eight".