71708952 has 128 divisors (see below), whose sum is σ = 216576000. Its totient is φ = 19756800.

The previous prime is 71708933. The next prime is 71708953. The reversal of 71708952 is 25980717.

It is a self number, because there is not a number n which added to its sum of digits gives 71708952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71708953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255052 + ... + 255332.

It is an arithmetic number, because the mean of its divisors is an integer number (1692000).

Almost surely, 2^71708952 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 71708952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108288000).

71708952 is an abundant number, since it is smaller than the sum of its proper divisors (144867048).

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

71708952 is a wasteful number, since it uses less digits than its factorization.

71708952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 71708952 is about 8468.1138395749. The cubic root of 71708952 is about 415.4554481085.

The spelling of 71708952 in words is "seventy-one million, seven hundred eight thousand, nine hundred fifty-two".