71481192 has 64 divisors (see below), whose sum is σ = 199195200. Its totient is φ = 21242880.

The previous prime is 71481149. The next prime is 71481197. The reversal of 71481192 is 29118417.

It is not an unprimeable number, because it can be changed into a prime (71481197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142 + ... + 12362.

It is an arithmetic number, because the mean of its divisors is an integer number (3112425).

Almost surely, 2^71481192 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 71481192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99597600).

71481192 is an abundant number, since it is smaller than the sum of its proper divisors (127714008).

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

71481192 is a wasteful number, since it uses less digits than its factorization.

71481192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266 (or 9262 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 71481192 is about 8454.6550491430. The cubic root of 71481192 is about 415.0151288819.

The spelling of 71481192 in words is "seventy-one million, four hundred eighty-one thousand, one hundred ninety-two".