71356113 has 32 divisors (see below), whose sum is σ = 109898880. Its totient is φ = 45722880.

The previous prime is 71356081. The next prime is 71356133. The reversal of 71356113 is 31165317.

It is not a de Polignac number, because 71356113 - 2⁵ = 71356081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71356133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80370 + ... + 81252.

It is an arithmetic number, because the mean of its divisors is an integer number (3434340).

Almost surely, 2^71356113 is an apocalyptic number.

71356113 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

71356113 is a deficient number, since it is larger than the sum of its proper divisors (38542767).

71356113 is a wasteful number, since it uses less digits than its factorization.

71356113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1000 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 71356113 is about 8447.2547611635. The cubic root of 71356113 is about 414.7729207205.

The spelling of 71356113 in words is "seventy-one million, three hundred fifty-six thousand, one hundred thirteen".