6754723994 has 4 divisors (see below), whose sum is σ = 10132085994. Its totient is φ = 3377361996.

The previous prime is 6754723949. The next prime is 6754724021. The reversal of 6754723994 is 4993274576.

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., 6754702969 + 21025 = 82187^2 + 145^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688680997 + ... + 1688681000.

Almost surely, 2^6754723994 is an apocalyptic number.

6754723994 is a deficient number, since it is larger than the sum of its proper divisors (3377362000).

6754723994 is a wasteful number, since it uses less digits than its factorization.

6754723994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377361999.

The product of its digits is 11430720, while the sum is 56.

The square root of 6754723994 is about 82187.1279094239. The cubic root of 6754723994 is about 1890.3223505125.

The spelling of 6754723994 in words is "six billion, seven hundred fifty-four million, seven hundred twenty-three thousand, nine hundred ninety-four".