71611104 has 48 divisors (see below), whose sum is σ = 188479872. Its totient is φ = 23806848.

The previous prime is 71611087. The next prime is 71611117. The reversal of 71611104 is 40111617.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47547 + ... + 49029.

It is an arithmetic number, because the mean of its divisors is an integer number (3926664).

Almost surely, 2^71611104 is an apocalyptic number.

It is an amenable number.

71611104 is an abundant number, since it is smaller than the sum of its proper divisors (116868768).

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

71611104 is a wasteful number, since it uses less digits than its factorization.

71611104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 71611104 is about 8462.3344296949. The cubic root of 71611104 is about 415.2663969164.

The spelling of 71611104 in words is "seventy-one million, six hundred eleven thousand, one hundred four".