71032645 has 8 divisors (see below), whose sum is σ = 86266656. Its totient is φ = 56141136.

The previous prime is 71032631. The next prime is 71032649. The reversal of 71032645 is 54623017.

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

It is a cyclic number.

It is not a de Polignac number, because 71032645 - 2⁹ = 71032133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71032649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85167 + ... + 85996.

It is an arithmetic number, because the mean of its divisors is an integer number (10783332).

Almost surely, 2^71032645 is an apocalyptic number.

It is an amenable number.

71032645 is a deficient number, since it is larger than the sum of its proper divisors (15234011).

71032645 is a wasteful number, since it uses less digits than its factorization.

71032645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171251.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 71032645 is about 8428.0866749221. The cubic root of 71032645 is about 414.1452285963.

The spelling of 71032645 in words is "seventy-one million, thirty-two thousand, six hundred forty-five".