6740040703738 has 4 divisors (see below), whose sum is σ = 10110061055610. Its totient is φ = 3370020351868.

The previous prime is 6740040703723. The next prime is 6740040703751. The reversal of 6740040703738 is 8373070400476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6305136066009 + 434904637729 = 2511003^2 + 659473^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6740040703691 and 6740040703700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685010175933 + ... + 1685010175936.

Almost surely, 2^{6740040703738} is an apocalyptic number.

6740040703738 is a deficient number, since it is larger than the sum of its proper divisors (3370020351872).

6740040703738 is a wasteful number, since it uses less digits than its factorization.

6740040703738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370020351871.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 6740040703738 in words is "six trillion, seven hundred forty billion, forty million, seven hundred three thousand, seven hundred thirty-eight".