71152276 has 24 divisors (see below), whose sum is σ = 141984360. Its totient is φ = 30907392.

The previous prime is 71152273. The next prime is 71152303. The reversal of 71152276 is 67225117.

It can be written as a sum of positive squares in 4 ways, for example, as 27248400 + 43903876 = 5220^2 + 6626^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71152273) 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 7 ways as a sum of consecutive naturals, for example, 39361 + ... + 41128.

It is an arithmetic number, because the mean of its divisors is an integer number (5916015).

Almost surely, 2^71152276 is an apocalyptic number.

It is an amenable number.

71152276 is a deficient number, since it is larger than the sum of its proper divisors (70832084).

71152276 is a wasteful number, since it uses less digits than its factorization.

71152276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80523 (or 80521 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 71152276 is about 8435.1808516475. The cubic root of 71152276 is about 414.3775950902.

The spelling of 71152276 in words is "seventy-one million, one hundred fifty-two thousand, two hundred seventy-six".