71616342 has 128 divisors (see below), whose sum is σ = 186624000. Its totient is φ = 18213888.

The previous prime is 71616331. The next prime is 71616343. The reversal of 71616342 is 24361617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71616343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 804634 + ... + 804722.

It is an arithmetic number, because the mean of its divisors is an integer number (1458000).

Almost surely, 2^71616342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71616342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93312000).

71616342 is an abundant number, since it is smaller than the sum of its proper divisors (115007658).

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

71616342 is a wasteful number, since it uses less digits than its factorization.

71616342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 141 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 71616342 is about 8462.6439131042. The cubic root of 71616342 is about 415.2765215676.

Adding to 71616342 its reverse (24361617), we get a palindrome (95977959).

The spelling of 71616342 in words is "seventy-one million, six hundred sixteen thousand, three hundred forty-two".