71249537366 has 8 divisors (see below), whose sum is σ = 122142064080. Its totient is φ = 30535516008.

The previous prime is 71249537351. The next prime is 71249537423. The reversal of 71249537366 is 66373594217.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2544626321 + ... + 2544626348.

It is an arithmetic number, because the mean of its divisors is an integer number (15267758010).

Almost surely, 2^71249537366 is an apocalyptic number.

71249537366 is a deficient number, since it is larger than the sum of its proper divisors (50892526714).

71249537366 is a wasteful number, since it uses less digits than its factorization.

71249537366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089252678.

The product of its digits is 5715360, while the sum is 53.

The spelling of 71249537366 in words is "seventy-one billion, two hundred forty-nine million, five hundred thirty-seven thousand, three hundred sixty-six".