6923704378 has 4 divisors (see below), whose sum is σ = 10385556570. Its totient is φ = 3461852188.

The previous prime is 6923704369. The next prime is 6923704379. The reversal of 6923704378 is 8734073296.

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., 6663946689 + 259757689 = 81633^2 + 16117^2 .

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 not an unprimeable number, because it can be changed into a prime (6923704379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730926093 + ... + 1730926096.

Almost surely, 2^6923704378 is an apocalyptic number.

6923704378 is a deficient number, since it is larger than the sum of its proper divisors (3461852192).

6923704378 is a wasteful number, since it uses less digits than its factorization.

6923704378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461852191.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The square root of 6923704378 is about 83208.7998831854. The cubic root of 6923704378 is about 1905.9558610096.

The spelling of 6923704378 in words is "six billion, nine hundred twenty-three million, seven hundred four thousand, three hundred seventy-eight".