71382827 has 2 divisors, whose sum is σ = 71382828. Its totient is φ = 71382826.

The previous prime is 71382781. The next prime is 71382853. The reversal of 71382827 is 72828317.

It is a strong prime.

It is an emirp because it is prime and its reverse (72828317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71382827 - 2¹⁶ = 71317291 is a prime.

It is not a weakly prime, because it can be changed into another prime (71382127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35691413 + 35691414.

It is an arithmetic number, because the mean of its divisors is an integer number (35691414).

Almost surely, 2^71382827 is an apocalyptic number.

71382827 is a deficient number, since it is larger than the sum of its proper divisors (1).

71382827 is an equidigital number, since it uses as much as digits as its factorization.

71382827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 71382827 is about 8448.8358369659. The cubic root of 71382827 is about 414.8246745736.

The spelling of 71382827 in words is "seventy-one million, three hundred eighty-two thousand, eight hundred twenty-seven".