76650025 has 27 divisors (see below), whose sum is σ = 101955621. Its totient is φ = 57152640.

The previous prime is 76650023. The next prime is 76650029. The reversal of 76650025 is 52005667.

The square root of 76650025 is 8755.

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 1792921 + 74857104 = 1339^2 + 8652^2 .

It is not a de Polignac number, because 76650025 - 2¹ = 76650023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76650023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 744124 + ... + 744226.

Almost surely, 2^76650025 is an apocalyptic number.

76650025 is the 8755-th square number.

76650025 is the 4378-th centered octagonal number.

It is an amenable number.

76650025 is a deficient number, since it is larger than the sum of its proper divisors (25305596).

76650025 is a wasteful number, since it uses less digits than its factorization.

76650025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The cubic root of 76650025 is about 424.7865594920.

The spelling of 76650025 in words is "seventy-six million, six hundred fifty thousand, twenty-five".