71361284 has 12 divisors (see below), whose sum is σ = 126095424. Its totient is φ = 35334024.

The previous prime is 71361263. The next prime is 71361299. The reversal of 71361284 is 48216317.

It is a self number, because there is not a number n which added to its sum of digits gives 71361284.

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, 86192 + ... + 87015.

It is an arithmetic number, because the mean of its divisors is an integer number (10507952).

Almost surely, 2^71361284 is an apocalyptic number.

It is an amenable number.

71361284 is a deficient number, since it is larger than the sum of its proper divisors (54734140).

71361284 is a wasteful number, since it uses less digits than its factorization.

71361284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173314 (or 173312 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 71361284 is about 8447.5608313880. The cubic root of 71361284 is about 414.7829396658.

The spelling of 71361284 in words is "seventy-one million, three hundred sixty-one thousand, two hundred eighty-four".