71530367 has 2 divisors, whose sum is σ = 71530368. Its totient is φ = 71530366.

The previous prime is 71530343. The next prime is 71530387. The reversal of 71530367 is 76303517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71530367 - 2⁸ = 71530111 is a prime.

It is equal to p_4202789 and since 71530367 and 4202789 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71530387) 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 as a sum of consecutive naturals, namely, 35765183 + 35765184.

It is an arithmetic number, because the mean of its divisors is an integer number (35765184).

Almost surely, 2^71530367 is an apocalyptic number.

71530367 is a deficient number, since it is larger than the sum of its proper divisors (1).

71530367 is an equidigital number, since it uses as much as digits as its factorization.

71530367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 71530367 is about 8457.5627103794. The cubic root of 71530367 is about 415.1102760119.

The spelling of 71530367 in words is "seventy-one million, five hundred thirty thousand, three hundred sixty-seven".