71145614 has 8 divisors (see below), whose sum is σ = 112335240. Its totient is φ = 33700536.

The previous prime is 71145611. The next prime is 71145631. The reversal of 71145614 is 41654117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71145611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936089 + ... + 936164.

It is an arithmetic number, because the mean of its divisors is an integer number (14041905).

Almost surely, 2^71145614 is an apocalyptic number.

71145614 is a deficient number, since it is larger than the sum of its proper divisors (41189626).

71145614 is a wasteful number, since it uses less digits than its factorization.

71145614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872274.

The product of its digits is 3360, while the sum is 29.

The square root of 71145614 is about 8434.7859486771. The cubic root of 71145614 is about 414.3646619377.

The spelling of 71145614 in words is "seventy-one million, one hundred forty-five thousand, six hundred fourteen".