71233448 has 64 divisors (see below), whose sum is σ = 159304320. Its totient is φ = 29433600.

The previous prime is 71233447. The next prime is 71233471. The reversal of 71233448 is 84433217.

It is a super-2 number, since 2×71233448² = 10148408227937408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71233447) 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, 80786 + ... + 81662.

It is an arithmetic number, because the mean of its divisors is an integer number (2489130).

Almost surely, 2^71233448 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 71233448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79652160).

71233448 is an abundant number, since it is smaller than the sum of its proper divisors (88070872).

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

71233448 is a wasteful number, since it uses less digits than its factorization.

71233448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 974 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 71233448 is about 8439.9909952559. The cubic root of 71233448 is about 414.5351120726.

The spelling of 71233448 in words is "seventy-one million, two hundred thirty-three thousand, four hundred forty-eight".