71541372 has 108 divisors (see below), whose sum is σ = 206768184. Its totient is φ = 19192320.

The previous prime is 71541367. The next prime is 71541383. The reversal of 71541372 is 27314517.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 169722 + ... + 170142.

Almost surely, 2^71541372 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 71541372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103384092).

71541372 is an abundant number, since it is smaller than the sum of its proper divisors (135226812).

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

71541372 is a wasteful number, since it uses less digits than its factorization.

71541372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 450 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 71541372 is about 8458.2132865044. The cubic root of 71541372 is about 415.1315632615.

Adding to 71541372 its reverse (27314517), we get a palindrome (98855889).

The spelling of 71541372 in words is "seventy-one million, five hundred forty-one thousand, three hundred seventy-two".