71225835 has 16 divisors (see below), whose sum is σ = 120665376. Its totient is φ = 35752448.

The previous prime is 71225831. The next prime is 71225837. The reversal of 71225835 is 53852217.

It is a cyclic number.

It is not a de Polignac number, because 71225835 - 2² = 71225831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71225796 and 71225805.

It is not an unprimeable number, because it can be changed into a prime (71225831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139404 + ... + 139913.

It is an arithmetic number, because the mean of its divisors is an integer number (7541586).

Almost surely, 2^71225835 is an apocalyptic number.

71225835 is a deficient number, since it is larger than the sum of its proper divisors (49439541).

71225835 is a wasteful number, since it uses less digits than its factorization.

71225835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279342.

The product of its digits is 16800, while the sum is 33.

The square root of 71225835 is about 8439.5399756148. The cubic root of 71225835 is about 414.5203438781.

The spelling of 71225835 in words is "seventy-one million, two hundred twenty-five thousand, eight hundred thirty-five".