71412999 has 16 divisors (see below), whose sum is σ = 113551872. Its totient is φ = 39032928.

The previous prime is 71412931. The next prime is 71413003. The reversal of 71412999 is 99921417.

It is not a de Polignac number, because 71412999 - 2⁸ = 71412743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71412999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71412199) 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, 73444 + ... + 74409.

It is an arithmetic number, because the mean of its divisors is an integer number (7096992).

Almost surely, 2^71412999 is an apocalyptic number.

71412999 is a deficient number, since it is larger than the sum of its proper divisors (42138873).

71412999 is a wasteful number, since it uses less digits than its factorization.

71412999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147886.

The product of its digits is 40824, while the sum is 42.

The square root of 71412999 is about 8450.6212197684. The cubic root of 71412999 is about 414.8831121913.

The spelling of 71412999 in words is "seventy-one million, four hundred twelve thousand, nine hundred ninety-nine".