71111304 has 96 divisors (see below), whose sum is σ = 216741600. Its totient is φ = 21424320.

The previous prime is 71111291. The next prime is 71111309. The reversal of 71111304 is 40311117.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (71111309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410962 + ... + 411134.

It is an arithmetic number, because the mean of its divisors is an integer number (2257725).

Almost surely, 2^71111304 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 71111304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108370800).

71111304 is an abundant number, since it is smaller than the sum of its proper divisors (145630296).

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

71111304 is a wasteful number, since it uses less digits than its factorization.

71111304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 71111304 is about 8432.7518640121. The cubic root of 71111304 is about 414.2980420543.

The spelling of 71111304 in words is "seventy-one million, one hundred eleven thousand, three hundred four".