71212708 has 48 divisors (see below), whose sum is σ = 148345344. Its totient is φ = 29278080.

The previous prime is 71212699. The next prime is 71212709. The reversal of 71212708 is 80721217.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (71212709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69238 + ... + 70258.

It is an arithmetic number, because the mean of its divisors is an integer number (3090528).

Almost surely, 2^71212708 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 71212708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74172672).

71212708 is an abundant number, since it is smaller than the sum of its proper divisors (77132636).

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

71212708 is a wasteful number, since it uses less digits than its factorization.

71212708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 71212708 is about 8438.7622315124. The cubic root of 71212708 is about 414.4948767945.

The spelling of 71212708 in words is "seventy-one million, two hundred twelve thousand, seven hundred eight".