71363385 has 24 divisors (see below), whose sum is σ = 124979400. Its totient is φ = 37665792.

The previous prime is 71363363. The next prime is 71363389. The reversal of 71363385 is 58336317.

71363385 is a `hidden beast` number, since 7 + 13 + 633 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 853776 + 70509609 = 924^2 + 8397^2 .

It is not a de Polignac number, because 71363385 - 2⁵ = 71363353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71363389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3810 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (5207475).

Almost surely, 2^71363385 is an apocalyptic number.

It is an amenable number.

71363385 is a deficient number, since it is larger than the sum of its proper divisors (53616015).

71363385 is a wasteful number, since it uses less digits than its factorization.

71363385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16457 (or 16454 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 71363385 is about 8447.6851858956. The cubic root of 71363385 is about 414.7870102689.

Subtracting from 71363385 its product of digits (45360), we obtain a square (71318025 = 8445²).

The spelling of 71363385 in words is "seventy-one million, three hundred sixty-three thousand, three hundred eighty-five".