71886701 has 2 divisors, whose sum is σ = 71886702. Its totient is φ = 71886700.

The previous prime is 71886697. The next prime is 71886713. The reversal of 71886701 is 10768817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42445225 + 29441476 = 6515^2 + 5426^2 .

It is an emirp because it is prime and its reverse (10768817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71886701 - 2² = 71886697 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71886751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35943350 + 35943351.

It is an arithmetic number, because the mean of its divisors is an integer number (35943351).

Almost surely, 2^71886701 is an apocalyptic number.

It is an amenable number.

71886701 is a deficient number, since it is larger than the sum of its proper divisors (1).

71886701 is an equidigital number, since it uses as much as digits as its factorization.

71886701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 71886701 is about 8478.6025381545. The cubic root of 71886701 is about 415.7984357747.

The spelling of 71886701 in words is "seventy-one million, eight hundred eighty-six thousand, seven hundred one".