71342477 has 2 divisors, whose sum is σ = 71342478. Its totient is φ = 71342476.

The previous prime is 71342459. The next prime is 71342519. The reversal of 71342477 is 77424317.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58049161 + 13293316 = 7619^2 + 3646^2 .

It is a cyclic number.

It is not a de Polignac number, because 71342477 - 2⁶ = 71342413 is a prime.

It is a Chen prime.

It is equal to p_4192298 and since 71342477 and 4192298 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71342077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35671238 + 35671239.

It is an arithmetic number, because the mean of its divisors is an integer number (35671239).

Almost surely, 2^71342477 is an apocalyptic number.

It is an amenable number.

71342477 is a deficient number, since it is larger than the sum of its proper divisors (1).

71342477 is an equidigital number, since it uses as much as digits as its factorization.

71342477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 35.

The square root of 71342477 is about 8446.4475964751. The cubic root of 71342477 is about 414.7464982992.

The spelling of 71342477 in words is "seventy-one million, three hundred forty-two thousand, four hundred seventy-seven".