71334288 has 30 divisors (see below), whose sum is σ = 199637334. Its totient is φ = 23778048.

The previous prime is 71334281. The next prime is 71334323. The reversal of 71334288 is 88243317.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 33732864 = 6132^2 + 5808^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (71334281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247545 + ... + 247832.

Almost surely, 2^71334288 is an apocalyptic number.

It is an amenable number.

71334288 is an abundant number, since it is smaller than the sum of its proper divisors (128303046).

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

71334288 is a wasteful number, since it uses less digits than its factorization.

71334288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495391 (or 495382 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 71334288 is about 8445.9628225561. The cubic root of 71334288 is about 414.7306288893.

The spelling of 71334288 in words is "seventy-one million, three hundred thirty-four thousand, two hundred eighty-eight".