71414224 has 20 divisors (see below), whose sum is σ = 158131744. Its totient is φ = 30606048.

The previous prime is 71414177. The next prime is 71414237. The reversal of 71414224 is 42241417.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318702 + ... + 318925.

Almost surely, 2^71414224 is an apocalyptic number.

It is an amenable number.

71414224 is an abundant number, since it is smaller than the sum of its proper divisors (86717520).

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

71414224 is a wasteful number, since it uses less digits than its factorization.

71414224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637642 (or 637636 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 71414224 is about 8450.6936993362. The cubic root of 71414224 is about 414.8854844434.

The spelling of 71414224 in words is "seventy-one million, four hundred fourteen thousand, two hundred twenty-four".