7721441025 has 12 divisors (see below), whose sum is σ = 12766115952. Its totient is φ = 4118101840.

The previous prime is 7721441017. The next prime is 7721441059. The reversal of 7721441025 is 5201441277.

7721441025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7721441025 - 2³ = 7721441017 is a prime.

It is a super-3 number, since 3×7721441025³ (a number of 31 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 51476199 + ... + 51476348.

It is an arithmetic number, because the mean of its divisors is an integer number (1063842996).

Almost surely, 2^7721441025 is an apocalyptic number.

7721441025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7721441025 is a deficient number, since it is larger than the sum of its proper divisors (5044674927).

7721441025 is a wasteful number, since it uses less digits than its factorization.

7721441025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102952560 (or 102952555 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 7721441025 is about 87871.7305223927. The cubic root of 7721441025 is about 1976.5119885783.

The spelling of 7721441025 in words is "seven billion, seven hundred twenty-one million, four hundred forty-one thousand, twenty-five".