71073727 has 2 divisors, whose sum is σ = 71073728. Its totient is φ = 71073726.

The previous prime is 71073671. The next prime is 71073773. The reversal of 71073727 is 72737017.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71073727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71073692 and 71073701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71073227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35536863 + 35536864.

It is an arithmetic number, because the mean of its divisors is an integer number (35536864).

Almost surely, 2^71073727 is an apocalyptic number.

71073727 is a deficient number, since it is larger than the sum of its proper divisors (1).

71073727 is an equidigital number, since it uses as much as digits as its factorization.

71073727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 71073727 is about 8430.5235306000. The cubic root of 71073727 is about 414.2250540311.

The spelling of 71073727 in words is "seventy-one million, seventy-three thousand, seven hundred twenty-seven".