71612276 has 6 divisors (see below), whose sum is σ = 125321490. Its totient is φ = 35806136.

The previous prime is 71612269. The next prime is 71612291. The reversal of 71612276 is 67221617.

It can be written as a sum of positive squares in only one way, i.e., 70123876 + 1488400 = 8374^2 + 1220^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 8951531 + ... + 8951538.

It is an arithmetic number, because the mean of its divisors is an integer number (20886915).

Almost surely, 2^71612276 is an apocalyptic number.

It is an amenable number.

71612276 is a deficient number, since it is larger than the sum of its proper divisors (53709214).

71612276 is a wasteful number, since it uses less digits than its factorization.

71612276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903073 (or 17903071 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 71612276 is about 8462.4036774430. The cubic root of 71612276 is about 415.2686623452.

The spelling of 71612276 in words is "seventy-one million, six hundred twelve thousand, two hundred seventy-six".