71153448 has 16 divisors (see below), whose sum is σ = 177883680. Its totient is φ = 23717808.

The previous prime is 71153447. The next prime is 71153471. The reversal of 71153448 is 84435117.

It is not an unprimeable number, because it can be changed into a prime (71153447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482340 + ... + 1482387.

It is an arithmetic number, because the mean of its divisors is an integer number (11117730).

Almost surely, 2^71153448 is an apocalyptic number.

It is an amenable number.

71153448 is an abundant number, since it is smaller than the sum of its proper divisors (106730232).

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

71153448 is a wasteful number, since it uses less digits than its factorization.

71153448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964736 (or 2964732 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 71153448 is about 8435.2503223082. The cubic root of 71153448 is about 414.3798702475.

The spelling of 71153448 in words is "seventy-one million, one hundred fifty-three thousand, four hundred forty-eight".