71645114 has 8 divisors (see below), whose sum is σ = 107564340. Its totient is φ = 35790336.

The previous prime is 71645107. The next prime is 71645117. The reversal of 71645114 is 41154617.

It can be written as a sum of positive squares in 2 ways, for example, as 69139225 + 2505889 = 8315^2 + 1583^2 .

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

It is not an unprimeable number, because it can be changed into a prime (71645117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13229 + ... + 17840.

Almost surely, 2^71645114 is an apocalyptic number.

71645114 is a deficient number, since it is larger than the sum of its proper divisors (35919226).

71645114 is a wasteful number, since it uses less digits than its factorization.

71645114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32224.

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

The square root of 71645114 is about 8464.3436839486. The cubic root of 71645114 is about 415.3321268295.

The spelling of 71645114 in words is "seventy-one million, six hundred forty-five thousand, one hundred fourteen".