71424344 has 64 divisors (see below), whose sum is σ = 151113600. Its totient is φ = 31449600.

The previous prime is 71424313. The next prime is 71424347. The reversal of 71424344 is 44342417.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (10752) is a multiple of the sum of its prime factors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71424347) 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 15 ways as a sum of consecutive naturals, for example, 338399 + ... + 338609.

It is an arithmetic number, because the mean of its divisors is an integer number (2361150).

Almost surely, 2^71424344 is an apocalyptic number.

It is an amenable number.

71424344 is an abundant number, since it is smaller than the sum of its proper divisors (79689256).

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

71424344 is a wasteful number, since it uses less digits than its factorization.

71424344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 380 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 71424344 is about 8451.2924455375. The cubic root of 71424344 is about 414.9050811127.

The spelling of 71424344 in words is "seventy-one million, four hundred twenty-four thousand, three hundred forty-four".