7762491025 has 27 divisors (see below), whose sum is σ = 9808591611. Its totient is φ = 6094046640.

The previous prime is 7762491019. The next prime is 7762491029. The reversal of 7762491025 is 5201942677.

The square root of 7762491025 is 88105.

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

It can be written as a sum of positive squares in only one way, i.e., 2794496769 + 4967994256 = 52863^2 + 70484^2 .

It is not a de Polignac number, because 7762491025 - 2⁵ = 7762490993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7762491029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29515044 + ... + 29515306.

Almost surely, 2^7762491025 is an apocalyptic number.

7762491025 is the 88105-th square number.

7762491025 is the 44053-rd centered octagonal number.

It is an amenable number.

7762491025 is a deficient number, since it is larger than the sum of its proper divisors (2046100586).

7762491025 is an frugal number, since it uses more digits than its factorization.

7762491025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The cubic root of 7762491025 is about 1980.0084195982.

The spelling of 7762491025 in words is "seven billion, seven hundred sixty-two million, four hundred ninety-one thousand, twenty-five".