71270744 has 16 divisors (see below), whose sum is σ = 139443120. Its totient is φ = 34085920.

The previous prime is 71270707. The next prime is 71270803. The reversal of 71270744 is 44707217.

It is a self number, because there is not a number n which added to its sum of digits gives 71270744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193487 + ... + 193854.

It is an arithmetic number, because the mean of its divisors is an integer number (8715195).

Almost surely, 2^71270744 is an apocalyptic number.

It is an amenable number.

71270744 is a deficient number, since it is larger than the sum of its proper divisors (68172376).

71270744 is a wasteful number, since it uses less digits than its factorization.

71270744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387370 (or 387366 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 71270744 is about 8442.2001871550. The cubic root of 71270744 is about 414.6074460885.

The spelling of 71270744 in words is "seventy-one million, two hundred seventy thousand, seven hundred forty-four".