71344330 has 16 divisors (see below), whose sum is σ = 132562944. Its totient is φ = 27617040.

The previous prime is 71344313. The next prime is 71344331. The reversal of 71344330 is 3344317.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71344295 and 71344304.

It is not an unprimeable number, because it can be changed into a prime (71344331) 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, 114762 + ... + 115381.

It is an arithmetic number, because the mean of its divisors is an integer number (8285184).

Almost surely, 2^71344330 is an apocalyptic number.

71344330 is a deficient number, since it is larger than the sum of its proper divisors (61218614).

71344330 is a wasteful number, since it uses less digits than its factorization.

71344330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230181.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 71344330 is about 8446.5572868477. The cubic root of 71344330 is about 414.7500890473.

Adding to 71344330 its reverse (3344317), we get a palindrome (74688647).

The spelling of 71344330 in words is "seventy-one million, three hundred forty-four thousand, three hundred thirty".