71051248 has 40 divisors (see below), whose sum is σ = 142236432. Its totient is φ = 34357248.

The previous prime is 71051221. The next prime is 71051261. The reversal of 71051248 is 84215017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151911 + ... + 152377.

Almost surely, 2^71051248 is an apocalyptic number.

It is an amenable number.

71051248 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

71051248 is a wasteful number, since it uses less digits than its factorization.

71051248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 71051248 is about 8429.1902339430. The cubic root of 71051248 is about 414.1813794451.

The spelling of 71051248 in words is "seventy-one million, fifty-one thousand, two hundred forty-eight".