712776225 has 24 divisors (see below), whose sum is σ = 1346808640.
Its totient is φ = 325840320.
The previous prime is 712776223. The next prime is 712776247. The reversal of 712776225 is 522677217.
It is not a de Polignac number, because 712776225 - 21 = 712776223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (712776223) 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, 678310 + ... + 679359.
Almost surely, 2712776225 is an apocalyptic number.
712776225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
712776225 is a deficient number, since it is larger than the sum of its proper divisors (634032415).
712776225 is a wasteful number, since it uses less digits than its factorization.
712776225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1357689 (or 1357684 counting only the distinct ones).
The product of its digits is 82320, while the sum is 39.
The square root of 712776225 is about 26697.8692970057.
The cubic root of 712776225 is about 893.2734000255.
The spelling of 712776225 in words is "seven hundred twelve million, seven hundred seventy-six thousand, two hundred twenty-five".