71353385 has 4 divisors (see below), whose sum is σ = 85624068. Its totient is φ = 57082704.

The previous prime is 71353349. The next prime is 71353409. The reversal of 71353385 is 58335317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58335317 = 89 ⋅655453.

It can be written as a sum of positive squares in 2 ways, for example, as 11182336 + 60171049 = 3344^2 + 7757^2 .

It is a cyclic number.

It is not a de Polignac number, because 71353385 - 2⁸ = 71353129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7135334 + ... + 7135343.

It is an arithmetic number, because the mean of its divisors is an integer number (21406017).

Almost surely, 2^71353385 is an apocalyptic number.

It is an amenable number.

71353385 is a deficient number, since it is larger than the sum of its proper divisors (14270683).

71353385 is a wasteful number, since it uses less digits than its factorization.

71353385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14270682.

The product of its digits is 37800, while the sum is 35.

The square root of 71353385 is about 8447.0932870426. The cubic root of 71353385 is about 414.7676349555.

The spelling of 71353385 in words is "seventy-one million, three hundred fifty-three thousand, three hundred eighty-five".