71894343 has 16 divisors (see below), whose sum is σ = 105912576. Its totient is φ = 43148160.

The previous prime is 71894311. The next prime is 71894359. The reversal of 71894343 is 34349817.

It is not a de Polignac number, because 71894343 - 2⁵ = 71894311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71894243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29473 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (6619536).

Almost surely, 2^71894343 is an apocalyptic number.

71894343 is a deficient number, since it is larger than the sum of its proper divisors (34018233).

71894343 is a wasteful number, since it uses less digits than its factorization.

71894343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61334.

The product of its digits is 72576, while the sum is 39.

The square root of 71894343 is about 8479.0531900679. The cubic root of 71894343 is about 415.8131692326.

The spelling of 71894343 in words is "seventy-one million, eight hundred ninety-four thousand, three hundred forty-three".