71424324 has 36 divisors (see below), whose sum is σ = 181709164. Its totient is φ = 23654592.

The previous prime is 71424313. The next prime is 71424347. The reversal of 71424324 is 42342417.

It can be written as a sum of positive squares in 2 ways, for example, as 13176900 + 58247424 = 3630^2 + 7632^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667 + ... + 11970.

Almost surely, 2^71424324 is an apocalyptic number.

It is an amenable number.

71424324 is an abundant number, since it is smaller than the sum of its proper divisors (110284840).

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

71424324 is a wasteful number, since it uses less digits than its factorization.

71424324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804 (or 12799 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 71424324 is about 8451.2912622865. The cubic root of 71424324 is about 414.9050423859.

The spelling of 71424324 in words is "seventy-one million, four hundred twenty-four thousand, three hundred twenty-four".