71200284 has 48 divisors (see below), whose sum is σ = 180679968. Its totient is φ = 21731328.

The previous prime is 71200271. The next prime is 71200309. The reversal of 71200284 is 48200217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (3764166).

Almost surely, 2^71200284 is an apocalyptic number.

71200284 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71200284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90339984).

71200284 is an abundant number, since it is smaller than the sum of its proper divisors (109479684).

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

71200284 is a wasteful number, since it uses less digits than its factorization.

71200284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494 (or 9492 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 71200284 is about 8438.0260724888. The cubic root of 71200284 is about 414.4707706858.

The spelling of 71200284 in words is "seventy-one million, two hundred thousand, two hundred eighty-four".