71033328 has 40 divisors (see below), whose sum is σ = 203893200. Its totient is φ = 23677632.

The previous prime is 71033323. The next prime is 71033363. The reversal of 71033328 is 82333017.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71033321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81783 + ... + 82646.

It is an arithmetic number, because the mean of its divisors is an integer number (5097330).

Almost surely, 2^71033328 is an apocalyptic number.

It is an amenable number.

71033328 is an abundant number, since it is smaller than the sum of its proper divisors (132859872).

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

71033328 is a wasteful number, since it uses less digits than its factorization.

71033328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164446 (or 164434 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 71033328 is about 8428.1271941043. The cubic root of 71033328 is about 414.1465559686.

The spelling of 71033328 in words is "seventy-one million, thirty-three thousand, three hundred twenty-eight".