71113152 has 84 divisors (see below), whose sum is σ = 206880968. Its totient is φ = 21542400.

The previous prime is 71113111. The next prime is 71113183. The reversal of 71113152 is 25131117.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21702 + ... + 24762.

Almost surely, 2^71113152 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 71113152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103440484).

71113152 is an abundant number, since it is smaller than the sum of its proper divisors (135767816).

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

71113152 is a wasteful number, since it uses less digits than its factorization.

71113152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098 (or 3077 counting only the distinct ones).

The product of its digits is 210, while the sum is 21.

The square root of 71113152 is about 8432.8614360726. The cubic root of 71113152 is about 414.3016308703.

Adding to 71113152 its reverse (25131117), we get a palindrome (96244269).

The spelling of 71113152 in words is "seventy-one million, one hundred thirteen thousand, one hundred fifty-two".