6742756405 has 32 divisors (see below), whose sum is σ = 10182205440. Its totient is φ = 4163968320.

The previous prime is 6742756387. The next prime is 6742756411. The reversal of 6742756405 is 5046572476.

It is not a de Polignac number, because 6742756405 - 2¹¹ = 6742754357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40645 + ... + 123034.

It is an arithmetic number, because the mean of its divisors is an integer number (318193920).

Almost surely, 2^6742756405 is an apocalyptic number.

It is an amenable number.

6742756405 is a deficient number, since it is larger than the sum of its proper divisors (3439449035).

6742756405 is a wasteful number, since it uses less digits than its factorization.

6742756405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163809.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The square root of 6742756405 is about 82114.2886774281. The cubic root of 6742756405 is about 1889.2053063727.

The spelling of 6742756405 in words is "six billion, seven hundred forty-two million, seven hundred fifty-six thousand, four hundred five".