71343000 has 96 divisors (see below), whose sum is σ = 241169760. Its totient is φ = 19022400.

The previous prime is 71342983. The next prime is 71343011. The reversal of 71343000 is 34317.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5037 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (2512185).

Almost surely, 2^71343000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120584880).

71343000 is an abundant number, since it is smaller than the sum of its proper divisors (169826760).

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

71343000 is a wasteful number, since it uses less digits than its factorization.

71343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7954 (or 7937 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 71343000 is about 8446.4785561795. The cubic root of 71343000 is about 414.7475117762.

Adding to 71343000 its reverse (34317), we get a palindrome (71377317).

The spelling of 71343000 in words is "seventy-one million, three hundred forty-three thousand".