71760222 has 16 divisors (see below), whose sum is σ = 159467280. Its totient is φ = 23920056.

The previous prime is 71760193. The next prime is 71760229. The reversal of 71760222 is 22206717.

It is a super-2 number, since 2×71760222² = 10299058922978568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71760229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664393 + ... + 664500.

It is an arithmetic number, because the mean of its divisors is an integer number (9966705).

Almost surely, 2^71760222 is an apocalyptic number.

71760222 is an abundant number, since it is smaller than the sum of its proper divisors (87707058).

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

71760222 is a wasteful number, since it uses less digits than its factorization.

71760222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328904 (or 1328898 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 71760222 is about 8471.1405371414. The cubic root of 71760222 is about 415.5544377318.

Adding to 71760222 its reverse (22206717), we get a palindrome (93966939).

The spelling of 71760222 in words is "seventy-one million, seven hundred sixty thousand, two hundred twenty-two".