71164332 has 60 divisors (see below), whose sum is σ = 187356400. Its totient is φ = 23553504.

The previous prime is 71164321. The next prime is 71164339. The reversal of 71164332 is 23346117.

71164332 is a `hidden beast` number, since 7 + 11 + 643 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 71164296 and 71164305.

It is not an unprimeable number, because it can be changed into a prime (71164339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50169 + ... + 51567.

Almost surely, 2^71164332 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 71164332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93678200).

71164332 is an abundant number, since it is smaller than the sum of its proper divisors (116192068).

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

71164332 is a wasteful number, since it uses less digits than its factorization.

71164332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1561 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 71164332 is about 8435.8954474318. The cubic root of 71164332 is about 414.4009977342.

The spelling of 71164332 in words is "seventy-one million, one hundred sixty-four thousand, three hundred thirty-two".