71361328 has 10 divisors (see below), whose sum is σ = 138262604. Its totient is φ = 35680656.

The previous prime is 71361317. The next prime is 71361331. The reversal of 71361328 is 82316317.

It is a self number, because there is not a number n which added to its sum of digits gives 71361328.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2230026 + ... + 2230057.

Almost surely, 2^71361328 is an apocalyptic number.

It is an amenable number.

71361328 is a deficient number, since it is larger than the sum of its proper divisors (66901276).

71361328 is a wasteful number, since it uses less digits than its factorization.

71361328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460091 (or 4460085 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 71361328 is about 8447.5634356896. The cubic root of 71361328 is about 414.7830249148.

It can be divided in two parts, 7136 and 1328, that added together give a square (8464 = 92²).

The spelling of 71361328 in words is "seventy-one million, three hundred sixty-one thousand, three hundred twenty-eight".