71097344 has 22 divisors (see below), whose sum is σ = 142127304. Its totient is φ = 35548160.

The previous prime is 71097337. The next prime is 71097359. The reversal of 71097344 is 44379017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33692 + ... + 35739.

It is an arithmetic number, because the mean of its divisors is an integer number (6460332).

Almost surely, 2^71097344 is an apocalyptic number.

It is an amenable number.

71097344 is a deficient number, since it is larger than the sum of its proper divisors (71029960).

71097344 is an equidigital number, since it uses as much as digits as its factorization.

71097344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69451 (or 69433 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 71097344 is about 8431.9240983301. The cubic root of 71097344 is about 414.2709297255.

The spelling of 71097344 in words is "seventy-one million, ninety-seven thousand, three hundred forty-four".