71133036 has 96 divisors (see below), whose sum is σ = 190794240. Its totient is φ = 20445696.

The previous prime is 71133031. The next prime is 71133053. The reversal of 71133036 is 63033117.

It is a junction number, because it is equal to n+sod(n) for n = 71132997 and 71133015.

It is not an unprimeable number, because it can be changed into a prime (71133031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305176 + ... + 305408.

It is an arithmetic number, because the mean of its divisors is an integer number (1987440).

Almost surely, 2^71133036 is an apocalyptic number.

71133036 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71133036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95397120).

71133036 is an abundant number, since it is smaller than the sum of its proper divisors (119661204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71133036 is a wasteful number, since it uses less digits than its factorization.

71133036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 71133036 is about 8434.0403129224. The cubic root of 71133036 is about 414.3402416650.

The spelling of 71133036 in words is "seventy-one million, one hundred thirty-three thousand, thirty-six".