71240163 has 8 divisors (see below), whose sum is σ = 95592528. Its totient is φ = 47190624.

The previous prime is 71240161. The next prime is 71240171. The reversal of 71240163 is 36104217.

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

It is not a de Polignac number, because 71240163 - 2¹ = 71240161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71240161) 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, 75156 + ... + 76097.

It is an arithmetic number, because the mean of its divisors is an integer number (11949066).

Almost surely, 2^71240163 is an apocalyptic number.

71240163 is a deficient number, since it is larger than the sum of its proper divisors (24352365).

71240163 is a wasteful number, since it uses less digits than its factorization.

71240163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151413.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 71240163 is about 8440.3887943625. The cubic root of 71240163 is about 414.5481373947.

The spelling of 71240163 in words is "seventy-one million, two hundred forty thousand, one hundred sixty-three".