71616204 has 96 divisors (see below), whose sum is σ = 211438080. Its totient is φ = 20750400.

The previous prime is 71616179. The next prime is 71616221. The reversal of 71616204 is 40261617.

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

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 31 ways as a sum of consecutive naturals, for example, 26014 + ... + 28634.

It is an arithmetic number, because the mean of its divisors is an integer number (2202480).

Almost surely, 2^71616204 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 71616204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105719040).

71616204 is an abundant number, since it is smaller than the sum of its proper divisors (139821876).

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

71616204 is a wasteful number, since it uses less digits than its factorization.

71616204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 71616204 is about 8462.6357596200. The cubic root of 71616204 is about 415.2762548306.

The spelling of 71616204 in words is "seventy-one million, six hundred sixteen thousand, two hundred four".