71036285 has 8 divisors (see below), whose sum is σ = 90257976. Its totient is φ = 53486080.

The previous prime is 71036249. The next prime is 71036291. The reversal of 71036285 is 58263017.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1196836 + 69839449 = 1094^2 + 8357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71036285 - 2¹⁸ = 70774141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417776 + ... + 417945.

It is an arithmetic number, because the mean of its divisors is an integer number (11282247).

Almost surely, 2^71036285 is an apocalyptic number.

It is an amenable number.

71036285 is a deficient number, since it is larger than the sum of its proper divisors (19221691).

71036285 is a wasteful number, since it uses less digits than its factorization.

71036285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835743.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 71036285 is about 8428.3026167788. The cubic root of 71036285 is about 414.1523026343.

The spelling of 71036285 in words is "seventy-one million, thirty-six thousand, two hundred eighty-five".