71651327 has 8 divisors (see below), whose sum is σ = 79107840. Its totient is φ = 64351960.

The previous prime is 71651317. The next prime is 71651339. The reversal of 71651327 is 72315617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71651327 - 2¹⁶ = 71585791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71651293 and 71651302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71651317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38327 + ... + 40152.

It is an arithmetic number, because the mean of its divisors is an integer number (9888480).

Almost surely, 2^71651327 is an apocalyptic number.

71651327 is a deficient number, since it is larger than the sum of its proper divisors (7456513).

71651327 is a wasteful number, since it uses less digits than its factorization.

71651327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78573.

The product of its digits is 8820, while the sum is 32.

The square root of 71651327 is about 8464.7106861369. The cubic root of 71651327 is about 415.3441322256.

The spelling of 71651327 in words is "seventy-one million, six hundred fifty-one thousand, three hundred twenty-seven".