71359487 has 2 divisors, whose sum is σ = 71359488. Its totient is φ = 71359486.

The previous prime is 71359451. The next prime is 71359511. The reversal of 71359487 is 78495317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71359487 - 2⁶ = 71359423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71359787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35679743 + 35679744.

It is an arithmetic number, because the mean of its divisors is an integer number (35679744).

Almost surely, 2^71359487 is an apocalyptic number.

71359487 is a deficient number, since it is larger than the sum of its proper divisors (1).

71359487 is an equidigital number, since it uses as much as digits as its factorization.

71359487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 71359487 is about 8447.4544686550. The cubic root of 71359487 is about 414.7794579870.

The spelling of 71359487 in words is "seventy-one million, three hundred fifty-nine thousand, four hundred eighty-seven".