71275152 has 80 divisors (see below), whose sum is σ = 209986560. Its totient is φ = 20637696.

The previous prime is 71275133. The next prime is 71275159. The reversal of 71275152 is 25157217.

It is not an unprimeable number, because it can be changed into a prime (71275159) 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, 7249 + ... + 13967.

It is an arithmetic number, because the mean of its divisors is an integer number (2624832).

Almost surely, 2^71275152 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 71275152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104993280).

71275152 is an abundant number, since it is smaller than the sum of its proper divisors (138711408).

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

71275152 is a wasteful number, since it uses less digits than its factorization.

71275152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760 (or 6754 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 71275152 is about 8442.4612525021. The cubic root of 71275152 is about 414.6159935506.

The spelling of 71275152 in words is "seventy-one million, two hundred seventy-five thousand, one hundred fifty-two".