71413224 has 32 divisors (see below), whose sum is σ = 178866240. Its totient is φ = 23760000.

The previous prime is 71413217. The next prime is 71413241. The reversal of 71413224 is 42231417.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 71413194 and 71413203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11949 + ... + 16899.

It is an arithmetic number, because the mean of its divisors is an integer number (5589570).

Almost surely, 2^71413224 is an apocalyptic number.

It is an amenable number.

71413224 is an abundant number, since it is smaller than the sum of its proper divisors (107453016).

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

71413224 is a wasteful number, since it uses less digits than its factorization.

71413224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561 (or 5557 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 71413224 is about 8450.6345323887. The cubic root of 71413224 is about 414.8835479131.

The spelling of 71413224 in words is "seventy-one million, four hundred thirteen thousand, two hundred twenty-four".