71797344 has 24 divisors (see below), whose sum is σ = 188468280. Its totient is φ = 23932416.

The previous prime is 71797343. The next prime is 71797357. The reversal of 71797344 is 44379717.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 71797296 and 71797305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71797343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373849 + ... + 374040.

It is an arithmetic number, because the mean of its divisors is an integer number (7852845).

Almost surely, 2^71797344 is an apocalyptic number.

It is an amenable number.

71797344 is an abundant number, since it is smaller than the sum of its proper divisors (116670936).

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

71797344 is a wasteful number, since it uses less digits than its factorization.

71797344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747902 (or 747894 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 71797344 is about 8473.3313401519. The cubic root of 71797344 is about 415.6260816600.

The spelling of 71797344 in words is "seventy-one million, seven hundred ninety-seven thousand, three hundred forty-four".