71484318 has 24 divisors (see below), whose sum is σ = 158486328. Its totient is φ = 23273712.

The previous prime is 71484317. The next prime is 71484319. The reversal of 71484318 is 81348417.

It is an interprime number because it is at equal distance from previous prime (71484317) and next prime (71484319).

It is a super-2 number, since 2×71484318² = 10220015439850248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71484311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45405 + ... + 46952.

It is an arithmetic number, because the mean of its divisors is an integer number (6603597).

Almost surely, 2^71484318 is an apocalyptic number.

71484318 is an abundant number, since it is smaller than the sum of its proper divisors (87002010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71484318 is a wasteful number, since it uses less digits than its factorization.

71484318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92408 (or 92405 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 71484318 is about 8454.8399156933. The cubic root of 71484318 is about 415.0211785776.

The spelling of 71484318 in words is "seventy-one million, four hundred eighty-four thousand, three hundred eighteen".