76280225 has 24 divisors (see below), whose sum is σ = 108469248. Its totient is φ = 52128000.

The previous prime is 76280221. The next prime is 76280261. The reversal of 76280225 is 52208267.

It is not a de Polignac number, because 76280225 - 2² = 76280221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76280191 and 76280200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76280221) by changing a digit.

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, 69632 + ... + 70718.

It is an arithmetic number, because the mean of its divisors is an integer number (4519552).

Almost surely, 2^76280225 is an apocalyptic number.

It is an amenable number.

76280225 is a deficient number, since it is larger than the sum of its proper divisors (32189023).

76280225 is a wasteful number, since it uses less digits than its factorization.

76280225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 76280225 is about 8733.8551052785. The cubic root of 76280225 is about 424.1023267476.

The spelling of 76280225 in words is "seventy-six million, two hundred eighty thousand, two hundred twenty-five".