7640347796 has 12 divisors (see below), whose sum is σ = 13377399252. Its totient is φ = 3818233728.

The previous prime is 7640347739. The next prime is 7640347817. The reversal of 7640347796 is 6977430467.

It can be written as a sum of positive squares in 2 ways, for example, as 3078696196 + 4561651600 = 55486^2 + 67540^2 .

It is a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 476165 + ... + 491948.

It is an arithmetic number, because the mean of its divisors is an integer number (1114783271).

Almost surely, 2^7640347796 is an apocalyptic number.

It is an amenable number.

7640347796 is a deficient number, since it is larger than the sum of its proper divisors (5737051456).

7640347796 is a wasteful number, since it uses less digits than its factorization.

7640347796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970090 (or 970088 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 53.

The square root of 7640347796 is about 87409.0830291681. The cubic root of 7640347796 is about 1969.5682869607.

The spelling of 7640347796 in words is "seven billion, six hundred forty million, three hundred forty-seven thousand, seven hundred ninety-six".