71768051 has 2 divisors, whose sum is σ = 71768052. Its totient is φ = 71768050.

The previous prime is 71768017. The next prime is 71768089. The reversal of 71768051 is 15086717.

It is a weak prime.

It is an emirp because it is prime and its reverse (15086717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71768051 - 2¹⁰ = 71767027 is a prime.

It is equal to p_4215887 and since 71768051 and 4215887 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71768251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35884025 + 35884026.

It is an arithmetic number, because the mean of its divisors is an integer number (35884026).

Almost surely, 2^71768051 is an apocalyptic number.

71768051 is a deficient number, since it is larger than the sum of its proper divisors (1).

71768051 is an equidigital number, since it uses as much as digits as its factorization.

71768051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 71768051 is about 8471.6026228807. The cubic root of 71768051 is about 415.5695494343.

The spelling of 71768051 in words is "seventy-one million, seven hundred sixty-eight thousand, fifty-one".