71367252 has 72 divisors (see below), whose sum is σ = 191085888. Its totient is φ = 20676480.

The previous prime is 71367227. The next prime is 71367253. The reversal of 71367252 is 25276317.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71367253) 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 23 ways as a sum of consecutive naturals, for example, 32328 + ... + 34464.

Almost surely, 2^71367252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71367252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95542944).

71367252 is an abundant number, since it is smaller than the sum of its proper divisors (119718636).

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

71367252 is a wasteful number, since it uses less digits than its factorization.

71367252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2176 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 71367252 is about 8447.9140620629. The cubic root of 71367252 is about 414.7945022174.

The spelling of 71367252 in words is "seventy-one million, three hundred sixty-seven thousand, two hundred fifty-two".