76766025 has 24 divisors (see below), whose sum is σ = 145052224. Its totient is φ = 35092800.

The previous prime is 76765967. The next prime is 76766077. The reversal of 76766025 is 52066767.

It is not a de Polignac number, because 76766025 - 2⁶ = 76765961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72586 + ... + 73635.

Almost surely, 2^76766025 is an apocalyptic number.

76766025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

76766025 is a deficient number, since it is larger than the sum of its proper divisors (68286199).

76766025 is a wasteful number, since it uses less digits than its factorization.

76766025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146241 (or 146236 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 76766025 is about 8761.6222812901. The cubic root of 76766025 is about 425.0007381763. Note that the first 3 decimals are identical.

The spelling of 76766025 in words is "seventy-six million, seven hundred sixty-six thousand, twenty-five".