7722742105 has 16 divisors (see below), whose sum is σ = 10071729360. Its totient is φ = 5650622208.

The previous prime is 7722742043. The next prime is 7722742121. The reversal of 7722742105 is 5012472277.

It can be written as a sum of positive squares in 8 ways, for example, as 1099386649 + 6623355456 = 33157^2 + 81384^2 .

It is a cyclic number.

It is not a de Polignac number, because 7722742105 - 2⁷ = 7722741977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537922 + ... + 552091.

It is an arithmetic number, because the mean of its divisors is an integer number (629483085).

Almost surely, 2^7722742105 is an apocalyptic number.

It is an amenable number.

7722742105 is a deficient number, since it is larger than the sum of its proper divisors (2348987255).

7722742105 is a wasteful number, since it uses less digits than its factorization.

7722742105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090140.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 7722742105 is about 87879.1335016453. The cubic root of 7722742105 is about 1976.6229979000.

The spelling of 7722742105 in words is "seven billion, seven hundred twenty-two million, seven hundred forty-two thousand, one hundred five".