71002248 has 16 divisors (see below), whose sum is σ = 177505680. Its totient is φ = 23667408.

The previous prime is 71002247. The next prime is 71002301. The reversal of 71002248 is 84220017.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2958427 = 71002248 / (7 + 1 + 0 + 0 + 2 + 2 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (71002247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479190 + ... + 1479237.

It is an arithmetic number, because the mean of its divisors is an integer number (11094105).

Almost surely, 2^71002248 is an apocalyptic number.

It is an amenable number.

71002248 is an abundant number, since it is smaller than the sum of its proper divisors (106503432).

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

71002248 is a wasteful number, since it uses less digits than its factorization.

71002248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958436 (or 2958432 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 71002248 is about 8426.2831663789. The cubic root of 71002248 is about 414.0861451113.

The spelling of 71002248 in words is "seventy-one million, two thousand, two hundred forty-eight".