71340342 has 16 divisors (see below), whose sum is σ = 148884480. Its totient is φ = 22746152.

The previous prime is 71340337. The next prime is 71340343. The reversal of 71340342 is 24304317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71340343) 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, 258342 + ... + 258617.

It is an arithmetic number, because the mean of its divisors is an integer number (9305280).

Almost surely, 2^71340342 is an apocalyptic number.

71340342 is an abundant number, since it is smaller than the sum of its proper divisors (77544138).

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

71340342 is a wasteful number, since it uses less digits than its factorization.

71340342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516987.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 71340342 is about 8446.3212110362. The cubic root of 71340342 is about 414.7423610136.

Adding to 71340342 its reverse (24304317), we get a palindrome (95644659).

The spelling of 71340342 in words is "seventy-one million, three hundred forty thousand, three hundred forty-two".