71996225 has 48 divisors (see below), whose sum is σ = 109516800. Its totient is φ = 45852480.

The previous prime is 71996203. The next prime is 71996231. The reversal of 71996225 is 52269917.

It is not a de Polignac number, because 71996225 - 2⁶ = 71996161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195992 + ... + 196358.

It is an arithmetic number, because the mean of its divisors is an integer number (2281600).

Almost surely, 2^71996225 is an apocalyptic number.

It is an amenable number.

71996225 is a deficient number, since it is larger than the sum of its proper divisors (37520575).

71996225 is a wasteful number, since it uses less digits than its factorization.

71996225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 457 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 71996225 is about 8485.0589273145. The cubic root of 71996225 is about 416.0094938199.

The spelling of 71996225 in words is "seventy-one million, nine hundred ninety-six thousand, two hundred twenty-five".