71430712 has 16 divisors (see below), whose sum is σ = 138551400. Its totient is φ = 34483680.

The previous prime is 71430673. The next prime is 71430781. The reversal of 71430712 is 21703417.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 153714 + ... + 154177.

Almost surely, 2^71430712 is an apocalyptic number.

It is an amenable number.

71430712 is a deficient number, since it is larger than the sum of its proper divisors (67120688).

71430712 is a wasteful number, since it uses less digits than its factorization.

71430712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307926 (or 307922 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 71430712 is about 8451.6691842499. The cubic root of 71430712 is about 414.9174113486.

The spelling of 71430712 in words is "seventy-one million, four hundred thirty thousand, seven hundred twelve".