71002260 has 144 divisors (see below), whose sum is σ = 252959616. Its totient is φ = 15780096.

The previous prime is 71002247. The next prime is 71002301. The reversal of 71002260 is 6220017.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45859 + ... + 47381.

It is an arithmetic number, because the mean of its divisors is an integer number (1756664).

Almost surely, 2^71002260 is an apocalyptic number.

71002260 is a gapful number since it is divisible by the number (70) 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 71002260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126479808).

71002260 is an abundant number, since it is smaller than the sum of its proper divisors (181957356).

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

71002260 is a wasteful number, since it uses less digits than its factorization.

71002260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 71002260 is about 8426.2838784366. The cubic root of 71002260 is about 414.0861684394.

Adding to 71002260 its reverse (6220017), we get a palindrome (77222277).

The spelling of 71002260 in words is "seventy-one million, two thousand, two hundred sixty".