71444356 has 6 divisors (see below), whose sum is σ = 125027630. Its totient is φ = 35722176.

The previous prime is 71444341. The next prime is 71444381. The reversal of 71444356 is 65344417.

It can be written as a sum of positive squares in only one way, i.e., 71064900 + 379456 = 8430^2 + 616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8930541 + ... + 8930548.

Almost surely, 2^71444356 is an apocalyptic number.

It is an amenable number.

71444356 is a deficient number, since it is larger than the sum of its proper divisors (53583274).

71444356 is a wasteful number, since it uses less digits than its factorization.

71444356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17861093 (or 17861091 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 71444356 is about 8452.4763235397. The cubic root of 71444356 is about 414.9438274965.

The spelling of 71444356 in words is "seventy-one million, four hundred forty-four thousand, three hundred fifty-six".