71437252 has 12 divisors (see below), whose sum is σ = 128064636. Its totient is φ = 34847360.

The previous prime is 71437231. The next prime is 71437253. The reversal of 71437252 is 25273417.

It can be written as a sum of positive squares in 2 ways, for example, as 21678336 + 49758916 = 4656^2 + 7054^2 .

It is not an unprimeable number, because it can be changed into a prime (71437253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217633 + ... + 217960.

It is an arithmetic number, because the mean of its divisors is an integer number (10672053).

Almost surely, 2^71437252 is an apocalyptic number.

It is an amenable number.

71437252 is a deficient number, since it is larger than the sum of its proper divisors (56627384).

71437252 is a wasteful number, since it uses less digits than its factorization.

71437252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435638 (or 435636 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 71437252 is about 8452.0560812148. The cubic root of 71437252 is about 414.9300738621.

The spelling of 71437252 in words is "seventy-one million, four hundred thirty-seven thousand, two hundred fifty-two".