7751922025 has 9 divisors (see below), whose sum is σ = 9612929221. Its totient is φ = 6201185440.

The previous prime is 7751922023. The next prime is 7751922041. The reversal of 7751922025 is 5202291577.

The square root of 7751922025 is 88045.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 92871769 + 7659050256 = 9637^2 + 87516^2 .

It is not a de Polignac number, because 7751922025 - 2¹ = 7751922023 is a prime.

It is a super-4 number, since 4×7751922025⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7751922023) 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 8 ways as a sum of consecutive naturals, for example, 431421 + ... + 449029.

Almost surely, 2^7751922025 is an apocalyptic number.

7751922025 is the 88045-th square number.

7751922025 is the 44023-rd centered octagonal number.

It is an amenable number.

7751922025 is a deficient number, since it is larger than the sum of its proper divisors (1861007196).

7751922025 is an frugal number, since it uses more digits than its factorization.

7751922025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35228 (or 17614 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The cubic root of 7751922025 is about 1979.1093862991.

The spelling of 7751922025 in words is "seven billion, seven hundred fifty-one million, nine hundred twenty-two thousand, twenty-five".