71013479 has 2 divisors, whose sum is σ = 71013480. Its totient is φ = 71013478.

The previous prime is 71013457. The next prime is 71013533. The reversal of 71013479 is 97431017.

It is a weak prime.

It is an emirp because it is prime and its reverse (97431017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71013479 - 2²⁰ = 69964903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71013979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35506739 + 35506740.

It is an arithmetic number, because the mean of its divisors is an integer number (35506740).

Almost surely, 2^71013479 is an apocalyptic number.

71013479 is a deficient number, since it is larger than the sum of its proper divisors (1).

71013479 is an equidigital number, since it uses as much as digits as its factorization.

71013479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 71013479 is about 8426.9495667175. The cubic root of 71013479 is about 414.1079770788.

The spelling of 71013479 in words is "seventy-one million, thirteen thousand, four hundred seventy-nine".