71897326 has 8 divisors (see below), whose sum is σ = 108633600. Its totient is φ = 35686128.

The previous prime is 71897321. The next prime is 71897377. The reversal of 71897326 is 62379817.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71897321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130926 + ... + 131473.

It is an arithmetic number, because the mean of its divisors is an integer number (13579200).

Almost surely, 2^71897326 is an apocalyptic number.

71897326 is a deficient number, since it is larger than the sum of its proper divisors (36736274).

71897326 is a wasteful number, since it uses less digits than its factorization.

71897326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262538.

The product of its digits is 127008, while the sum is 43.

The square root of 71897326 is about 8479.2290923173. The cubic root of 71897326 is about 415.8189200492.

The spelling of 71897326 in words is "seventy-one million, eight hundred ninety-seven thousand, three hundred twenty-six".