71150202 has 48 divisors (see below), whose sum is σ = 164377512. Its totient is φ = 22164480.

The previous prime is 71150153. The next prime is 71150207. The reversal of 71150202 is 20205117.

It can be written as a sum of positive squares in 4 ways, for example, as 60980481 + 10169721 = 7809^2 + 3189^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (71150207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47302 + ... + 48782.

Almost surely, 2^71150202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71150202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82188756).

71150202 is an abundant number, since it is smaller than the sum of its proper divisors (93227310).

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

71150202 is a wasteful number, since it uses less digits than its factorization.

71150202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 71150202 is about 8435.0579132570. The cubic root of 71150202 is about 414.3735688546.

Adding to 71150202 its reverse (20205117), we get a palindrome (91355319).

The spelling of 71150202 in words is "seventy-one million, one hundred fifty thousand, two hundred two".