71368284 has 48 divisors (see below), whose sum is σ = 181637120. Its totient is φ = 21677760.

The previous prime is 71368273. The next prime is 71368303. The reversal of 71368284 is 48286317.

It is a super-2 number, since 2×71368284² = 10186863922209312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9429 + ... + 15219.

Almost surely, 2^71368284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71368284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90818560).

71368284 is an abundant number, since it is smaller than the sum of its proper divisors (110268836).

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

71368284 is a wasteful number, since it uses less digits than its factorization.

71368284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890 (or 5888 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 71368284 is about 8447.9751420089. The cubic root of 71368284 is about 414.7965015744.

The spelling of 71368284 in words is "seventy-one million, three hundred sixty-eight thousand, two hundred eighty-four".