6718474402 has 4 divisors (see below), whose sum is σ = 10077711606. Its totient is φ = 3359237200.

The previous prime is 6718474391. The next prime is 6718474403. The reversal of 6718474402 is 2044748176.

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., 4798194361 + 1920280041 = 69269^2 + 43821^2 .

It is not an unprimeable number, because it can be changed into a prime (6718474403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1679618599 + ... + 1679618602.

Almost surely, 2^6718474402 is an apocalyptic number.

6718474402 is a deficient number, since it is larger than the sum of its proper divisors (3359237204).

6718474402 is a wasteful number, since it uses less digits than its factorization.

6718474402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359237203.

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 6718474402 is about 81966.3004044955. The cubic root of 6718474402 is about 1886.9347776579.

The spelling of 6718474402 in words is "six billion, seven hundred eighteen million, four hundred seventy-four thousand, four hundred two".