7630394066 has 4 divisors (see below), whose sum is σ = 11445591102. Its totient is φ = 3815197032.

The previous prime is 7630394029. The next prime is 7630394089. The reversal of 7630394066 is 6604930367.

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., 7352205025 + 278189041 = 85745^2 + 16679^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907598515 + ... + 1907598518.

Almost surely, 2^7630394066 is an apocalyptic number.

7630394066 is a deficient number, since it is larger than the sum of its proper divisors (3815197036).

7630394066 is a wasteful number, since it uses less digits than its factorization.

7630394066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815197035.

The product of its (nonzero) digits is 489888, while the sum is 44.

The square root of 7630394066 is about 87352.1268544733. The cubic root of 7630394066 is about 1968.7126073006.

The spelling of 7630394066 in words is "seven billion, six hundred thirty million, three hundred ninety-four thousand, sixty-six".