71340572 has 12 divisors (see below), whose sum is σ = 130274256. Its totient is φ = 34119360.

The previous prime is 71340571. The next prime is 71340589. The reversal of 71340572 is 27504317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71340571) 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, 387629 + ... + 387812.

It is an arithmetic number, because the mean of its divisors is an integer number (10856188).

Almost surely, 2^71340572 is an apocalyptic number.

It is an amenable number.

71340572 is a deficient number, since it is larger than the sum of its proper divisors (58933684).

71340572 is a wasteful number, since it uses less digits than its factorization.

71340572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775468 (or 775466 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 71340572 is about 8446.3348264203. The cubic root of 71340572 is about 414.7428067204.

Adding to 71340572 its reverse (27504317), we get a palindrome (98844889).

The spelling of 71340572 in words is "seventy-one million, three hundred forty thousand, five hundred seventy-two".