7730426650 has 24 divisors (see below), whose sum is σ = 14767207740. Its totient is φ = 3008597760.

The previous prime is 7730426633. The next prime is 7730426653. The reversal of 7730426650 is 566240377.

It can be written as a sum of positive squares in 6 ways, for example, as 2296230561 + 5434196089 = 47919^2 + 73717^2 .

It is not an unprimeable number, because it can be changed into a prime (7730426653) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2087455 + ... + 2091154.

Almost surely, 2^7730426650 is an apocalyptic number.

7730426650 is a deficient number, since it is larger than the sum of its proper divisors (7036781090).

7730426650 is a wasteful number, since it uses less digits than its factorization.

7730426650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178658 (or 4178653 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 7730426650 is about 87922.8448698062. The cubic root of 7730426650 is about 1977.2783960667.

The spelling of 7730426650 in words is "seven billion, seven hundred thirty million, four hundred twenty-six thousand, six hundred fifty".