71113248 has 48 divisors (see below), whose sum is σ = 207416160. Its totient is φ = 23704128.

The previous prime is 71113243. The next prime is 71113253. The reversal of 71113248 is 84231117.

It is an interprime number because it is at equal distance from previous prime (71113243) and next prime (71113253).

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

It is a super-2 number, since 2×71113248² = 10114188082219008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71113243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40290 + ... + 42017.

It is an arithmetic number, because the mean of its divisors is an integer number (4321170).

Almost surely, 2^71113248 is an apocalyptic number.

It is an amenable number.

71113248 is an abundant number, since it is smaller than the sum of its proper divisors (136302912).

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

71113248 is a wasteful number, since it uses less digits than its factorization.

71113248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82326 (or 82312 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 71113248 is about 8432.8671280888. The cubic root of 71113248 is about 414.3018173006.

The spelling of 71113248 in words is "seventy-one million, one hundred thirteen thousand, two hundred forty-eight".