7720029434 has 32 divisors (see below), whose sum is σ = 12568557456. Its totient is φ = 3535234560.

The previous prime is 7720029433. The next prime is 7720029461. The reversal of 7720029434 is 4349200277.

It can be written as a sum of positive squares in 8 ways, for example, as 1953905209 + 5766124225 = 44203^2 + 75935^2 .

It is not an unprimeable number, because it can be changed into a prime (7720029433) 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 15 ways as a sum of consecutive naturals, for example, 5211974 + ... + 5213454.

Almost surely, 2^7720029434 is an apocalyptic number.

7720029434 is a deficient number, since it is larger than the sum of its proper divisors (4848528022).

7720029434 is a wasteful number, since it uses less digits than its factorization.

7720029434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 7720029434 is about 87863.6980441866. The cubic root of 7720029434 is about 1976.3915362533.

The spelling of 7720029434 in words is "seven billion, seven hundred twenty million, twenty-nine thousand, four hundred thirty-four".