71266768 has 40 divisors (see below), whose sum is σ = 145276416. Its totient is φ = 33820800.

The previous prime is 71266763. The next prime is 71266787. The reversal of 71266768 is 86766217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71266763) 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, 24933 + ... + 27643.

Almost surely, 2^71266768 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 71266768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72638208).

71266768 is an abundant number, since it is smaller than the sum of its proper divisors (74009648).

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

71266768 is a wasteful number, since it uses less digits than its factorization.

71266768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2797 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 71266768 is about 8441.9647002342. The cubic root of 71266768 is about 414.5997360064.

The spelling of 71266768 in words is "seventy-one million, two hundred sixty-six thousand, seven hundred sixty-eight".