71336828 has 48 divisors (see below), whose sum is σ = 139797504. Its totient is φ = 31691520.

The previous prime is 71336827. The next prime is 71336833. The reversal of 71336828 is 82863317.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71336791 and 71336800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71336821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90251 + ... + 91037.

It is an arithmetic number, because the mean of its divisors is an integer number (2912448).

Almost surely, 2^71336828 is an apocalyptic number.

It is an amenable number.

71336828 is a deficient number, since it is larger than the sum of its proper divisors (68460676).

71336828 is a wasteful number, since it uses less digits than its factorization.

71336828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 880 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 71336828 is about 8446.1131889171. The cubic root of 71336828 is about 414.7355512687.

The spelling of 71336828 in words is "seventy-one million, three hundred thirty-six thousand, eight hundred twenty-eight".