71324604 has 96 divisors (see below), whose sum is σ = 204671040. Its totient is φ = 21337344.

The previous prime is 71324599. The next prime is 71324611. The reversal of 71324604 is 40642317.

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

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 31 ways as a sum of consecutive naturals, for example, 51262 + ... + 52634.

It is an arithmetic number, because the mean of its divisors is an integer number (2131990).

Almost surely, 2^71324604 is an apocalyptic number.

71324604 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71324604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102335520).

71324604 is an abundant number, since it is smaller than the sum of its proper divisors (133346436).

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

71324604 is a wasteful number, since it uses less digits than its factorization.

71324604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 71324604 is about 8445.3895114435. The cubic root of 71324604 is about 414.7118607612.

The spelling of 71324604 in words is "seventy-one million, three hundred twenty-four thousand, six hundred four".