71433516 has 96 divisors (see below), whose sum is σ = 210212352. Its totient is φ = 18339840.

The previous prime is 71433511. The next prime is 71433529. The reversal of 71433516 is 61533417.

It is not an unprimeable number, because it can be changed into a prime (71433511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89230 + ... + 90026.

It is an arithmetic number, because the mean of its divisors is an integer number (2189712).

Almost surely, 2^71433516 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 71433516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105106176).

71433516 is an abundant number, since it is smaller than the sum of its proper divisors (138778836).

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

71433516 is a wasteful number, since it uses less digits than its factorization.

71433516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 917 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 71433516 is about 8451.8350670136. The cubic root of 71433516 is about 414.9228404475.

Subtracting from 71433516 its reverse (61533417), we obtain a palindrome (9900099).

The spelling of 71433516 in words is "seventy-one million, four hundred thirty-three thousand, five hundred sixteen".